| Names | |
|---|---|
| Preferred IUPAC name | Butyl 4-hydroxybenzoate |
| Other names | Butyl p-hydroxybenzoate Butyl parahydroxybenzoate Butyl 4-hydroxybenzoate Butoben E209 |
| Pronunciation | /ˈbjuː.tɪlˌpær.əˌbɛn/ |
| Identifiers | |
| CAS Number | 94-26-8 |
| Beilstein Reference | 3568983 |
| ChEBI | CHEBI:31844 |
| ChEMBL | CHEMBL1418 |
| ChemSpider | 5286 |
| DrugBank | DB02338 |
| ECHA InfoCard | 100.049.378 |
| EC Number | 202-318-7 |
| Gmelin Reference | 16221 |
| KEGG | C14812 |
| MeSH | D017366 |
| PubChem CID | 7182 |
| RTECS number | DJ9650000 |
| UNII | 3QJ8HR617P |
| UN number | UN2811 |
| Properties | |
| Chemical formula | C11H14O3 |
| Molar mass | 194.23 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless |
| Density | 1.24 g/cm3 |
| Solubility in water | 0.028 g/L |
| log P | 1.96 |
| Vapor pressure | 0.00017 mmHg at 25°C |
| Acidity (pKa) | 8.47 |
| Basicity (pKb) | 7.94 |
| Magnetic susceptibility (χ) | -72.0e-6 cm³/mol |
| Refractive index (nD) | 1.506 |
| Viscosity | Viscous liquid |
| Dipole moment | 3.87 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 247.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -581.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -6130.1 kJ/mol |
| Pharmacology | |
| ATC code | D04AX10 |
| Hazards | |
| Main hazards | Causes serious eye irritation. May cause an allergic skin reaction. |
| GHS labelling | GHS07, Warning, H315, H319, H335 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H315, H319 |
| Precautionary statements | IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Flash point | 107 °C |
| Autoignition temperature | 410 °C |
| Lethal dose or concentration | LD50 oral (rat): 16,000 mg/kg |
| LD50 (median dose) | LD50 (median dose) of Butylparaben: "16,000 mg/kg (oral, rat) |
| NIOSH | STY9255 |
| PEL (Permissible) | 0.2% |
| REL (Recommended) | 0.01% |
| IDLH (Immediate danger) | IDLH not established |
| Related compounds | |
| Related compounds | Methylparaben Ethylparaben Propylparaben Isobutylparaben Isopropylparaben |
| Product Identification | |
|---|---|
| Product Name | Butylparaben |
| IUPAC Name | Butyl 4-hydroxybenzoate |
| Chemical Formula | C11H14O3 |
| Synonyms & Trade Names | p-Hydroxybenzoic acid butyl ester, Butyl p-hydroxybenzoate |
| CAS Number | 94-26-8 |
| HS Code & Customs Classification | 2918.29 (Aromatic carboxylic acids and derivatives, others) |
Industrial butylparaben production applies esterification of p-hydroxybenzoic acid with n-butanol under acidic conditions. Raw material selection focuses on consistent purity of p-hydroxybenzoic acid since substitution or impurity in the aromatic ring strongly influences color and odor performance in end-use formulas. Process route selection considers catalyst choice (commonly sulfuric acid or alternative acid catalysts) because catalyst residue may contribute to batch-to-batch color variation if not efficiently neutralized and removed. Critical control points are temperature regulation and water removal since incomplete conversion leaves free acid, which impacts downstream stability and clarity when used in cosmetics and personal care. In-process controls typically include acid value and residual alcohol checks. Final purification is handled by recrystallization, targeting low-level colored byproducts or odor-active volatiles.
Physical property profiles such as melting point and color tone commonly show grade variation. Cosmetic and food-contact grades place strict limits on color number and residual solvents, while technical grades may allow a broader specification range. Storage and handling protocols strongly relate to grade because fine-powdered high-purity material shows more tendency toward caking or compaction, especially under humid conditions. For downstream processing, moisture content and particulate size influence how butylparaben disperses in emulsions, so manufacturers tailor drying, milling, and sieving steps to the application (cream/lotion bases versus solid forms). Per batch, we monitor organoleptic properties since off-odor or off-color signals either raw material variability or process deviation; release criteria reflect internal standards defined in collaboration with high-volume downstream customers. Requirements tighten according to the sensitivity of the final application (leave-on skin products versus rinse-off).
HS Code assignment usually tracks to 2918.29, grouping butylparaben with other aromatic carboxylic acid derivatives. Customs interpretation varies by jurisdiction, especially for paraben esters used in food or pharma, and authorities may request analytical substantiation of identity and purity. Manufacturers prepare technical dossiers with batch traceability and impurity profiling details for smooth customs clearance in regulated markets.
Butylparaben appears as a white to off-white crystalline solid or powder. The form and particle size distribution are often a direct outcome of the crystallization and drying stages. Any deviation in appearance during production may indicate contamination, solvent retention, or improper crystallization. The odor profile, if notable, generally comes from minor residual solvents or starting materials.
Melting point is mainly set by crystallinity and purity levels. Minor impurities or unreacted raw material can broaden or lower the melting range. Boiling point determination is not routine for butylparaben since it decomposes before boiling under atmospheric conditions. For most commercial grades, melting point checks act as a key release criterion.
Flash point testing supports safe storage and shipping practices. Typical flash points have a direct link to solvent residues and product grade. Density is grade and batch-dependent, affected by packing and moisture absorption.
Butylparaben demonstrates strong stability in dry, sealed packaging under ambient temperatures. Hydrolysis rates increase under prolonged exposure to high humidity or extremes of pH. Reactivity primarily concerns ester cleavage under strong bases or acids. Oxidative degradation or color change often signals impurity formation or shelf life expiration.
Solubility in water remains limited at room temperature, but increases with heat or in the presence of co-solvents (alcohols, glycols). Paraben performance in end-product formulations depends on achieving homogeneous solubilization. Dissolution rates depend on particle size and grade; the more controlled the milling and drying, the more predictable the solution behavior. For analytical and industrial batch use, slow pre-wetting or staged addition prevents clumping.
Industrial supply chains typically define multiple grades—USP, EP, industrial—and these grades reflect end-use application stringency, such as pharmaceuticals versus personal care. Each grade carries its own target purity, water content, and impurity limits as laid out in customer or pharmacopeial standards.
| Parameter | Pharma Grade | Industrial Grade |
|---|---|---|
| Assay (Butylparaben, %) | Type-specific, per pharmacopeia | Defined per customer need |
| Impurity Profile | Strict, comprehensive | Broader acceptance |
| Water Content | Very low by KF or LOD | Depends on handling conditions |
The impurity profile reflects synthesis route efficiency and purification controls. Principal impurities include para-hydroxybenzoic acid, unreacted butanol, related esters, and trace inorganics. Limits depend on final application and customer requirements. Regular improvement in purification steps directly reduces impurity carryover.
Assay and impurity analysis typically use HPLC with UV detection, validated per international and local standards. Water content checks utilize Karl Fischer titration for tighter control. Identity often confirmed by IR spectroscopy. Specifications are jointly developed with customers, especially for regulated markets.
Raw material choice—high-purity para-hydroxybenzoic acid and butanol—is crucial for impurity minimization. The acid must be low in metallic and organic impurities; the alcohol must meet specifications for water and aldehyde content. Supply reliability and batch consistency drive sourcing decisions, with full traceability required for pharmaceutical supply chains.
Most industrial butylparaben manufacturing processes rely on esterification of para-hydroxybenzoic acid with n-butanol using acid catalysis. Route selection balances cost, yield, and ease of downstream purification. Strong acid catalysts (sulfuric or methanesulfonic acid) speed up the reaction and minimize side-product formation, but require precise neutralization and washing.
Some facilities opt for continuous processing, minimizing batch-to-batch variability, while others use batch reactors to allow close control of reaction time and temperature.
Tight temperature and feedrate control suppresses byproduct generation. Washing removes catalyst, unreacted acid, and inorganics. Controlled crystallization and drying steps set the final particle size and residual solvent profile. Each step involves in-process checks—pH, residual acid, drying loss—to ensure alignment with downstream release specifications.
Final product release hinges on full conformance with the buyer’s technical specification and established internal quality criteria. Batches undergo full panel testing: assay, major known impurity levels, residual solvents, water content, and appearance. Out-of-specification batches are reprocessed or downgraded to industrial use, depending on the gap versus specification.
Butylparaben reacts under alkaline or acidic hydrolysis, yielding para-hydroxybenzoic acid and butanol. Under strong base, saponification rate increases, especially at elevated temperatures. In certain cases, derivatization by etherification, acylation, or alkylation is performed to create functionalized esters for broader performance characteristics.
Modification reactions require catalyst selection (acid, base), solvent determination for solubility and mass transfer, and temperature optimization based on activation energies and end-use purity requirements. For hydrolysis, water and alkali presence dominate; for etherification, dry solvents and phase-transfer catalysts are common.
Manufacturers develop specialty parabens by varying the alkyl group or introducing substituents through directed synthesis. The process for such derivatives often mirrors the butylparaben backbone route, but requires tailored purification and QC steps based on the new product profile.
Butylparaben remains stable at controlled room temperature, away from direct sunlight and sources of moisture. For maximum shelf life, storage in airtight, light-blocking containers limits hydrolysis, prevents discoloration, and protects against environmental contamination. For critical grades, low humidity and oxygen exclusion further reduce degradation risk. End-use packaging relies on compatibility with the final form and application requirement.
Recommended containers include high-density polyethylene, glass, or lined metal, all capable of resisting moisture ingress and leaching. Incompatible packaging can introduce contaminants or allow gradual product degradation due to moisture or headspace volatility.
Official shelf life depends on product grade, storage conditions, and specific packaging. Degradation typically displays as discoloration, melting point shifts, or off-odor. Each batch should be re-evaluated before use if storage exceeds recommended duration or environmental controls lapse.
The globally harmonized classification for butylparaben highlights eye and skin irritation risk and mandates safe handling protocols. Labels require clear hazard and precautionary statements related to personal protective equipment and potential environmental impact. Reference exact classification only as assigned by the supervising regulatory body for the supplied grade.
Acute toxicity for butylparaben remains low by oral and dermal routes, but application and permissible exposure limits depend on regional regulations and intended end-use (pharmaceutical, cosmetic, industrial). Chronic toxicity and sensitization have been extensively studied; manufacturers address these based on customer region, safety assessments, and regulatory updates.
No universally fixed exposure limits cover all regions and applications. Company policy mandates facilities minimize inhalation and skin contact through local ventilation and strict PPE mandates. Continuous training and rapid access to safety data mitigate risk from accidental exposure. We advise handling all powder and solution handling steps within controlled, ventilated spaces, especially for high-volume or continuous operations.
Direct manufacturing of butylparaben involves esterification of p-hydroxybenzoic acid using normal butanol under controlled acid catalysis, followed by multi-stage purification to achieve desired grade requirements. Output varies annually, influenced by upstream availability of both feedstock and energy. For industrial-grade production, typical monthly output depends on both forecast demand cycles and plant maintenance scheduling. Grade availability is driven by order volume and batch consolidation—pharma and cosmetic grades released only after additional quality release steps.
Batch production schedules follow material balancing and prior order commitments. Lead time for standard grades runs from two to four weeks, extending for customized grades or packaging. Minimum order quantities depend on downstream application, with smaller batches for regulated end uses. MOQ can be adjusted for strategic cooperation but is usually linked to batch process efficiency and downstream storage constraints.
Packaging format selection is tied to regulatory compliance, product grade, and regional shipping regulations. For industrial grade, HDPE drums and fiberboard boxes with inner liners are common. Higher grade material for personal care or pharmaceutical applications uses inert liners and additional tamper evidence in drums or small containers. All packaging formats target physical protection, regulatory traceability, and minimization of contamination risk.
Shipping is organized as FCL or LCL, depending on load size and grade. Sensitive grades require temperature and light control. Payment terms center on irrevocable letter of credit or T/T in advance for new buyers, with deferred terms offered for established partners pending credit evaluation.
Raw material cost structure adheres to the volatility of synthesized intermediates, mainly p-hydroxybenzoic acid and butanol. These derive from petrochemical feedstocks, so price pressure reflects both crude oil trends and aromatic compound markets. Energy input, catalyst system longevity, and solvent recycling efficiency make up the secondary cost base, shifting total production economics in response to utilities market shocks.
Short-term price swings tie to crude oil price shocks, allocation changes among refineries, and periodic supply chain disruptions in core intermediates. Medium-term, regulatory changes in upstream processes and competition for butanol or hydroxybenzoic acid feedstock play a role. Index-linked supply agreements with long-term partners help buffer these impacts, but spot-market buyers face sharper volatility.
Pricing tiers reflect both product grade and lot qualification standard. Higher purity and tighter impurity profiles—required for pharmaceutical or personal care—command higher cost due to extended purification, analytical verification, and certified clean-room processing. Packaging also adds a cost factor; inert or regulatory-compliant containers significantly increase per-kg pricing. Final price sheet follows a graded matrix, with commodity industrial grades at the base and ascending for certified high-purity or custom-packaged lots.
Global demand for butylparaben is anchored by the personal care, cosmetics, and pharmaceutical excipient sectors. Demand growth ties to consumer regulatory and safety trends, plus the rate of reformulation in mass-market products. Asia-Pacific and North America remain leading consumption regions, with cyclic pushes from downstream product launches and regulatory shifts.
By 2026, butylparaben pricing follows a pattern set by upstream petrochemical cost projections and downstream regulatory movement. Expected incremental tightening on permitted usage in personal care may shift demand towards alternatives in select markets, tempering peak price surges. Industrial-grade pricing anticipated to remain subject to periodic input volatility, while pharma and cosmetic-certified lots face ongoing analytical and regulatory compliance uplift costs. Any sudden restriction or reclassification in key economies may drive regional disparity in short-term quotes.
Methodology: Price projections draw on aggregated regional trade data, petrochemical cost indices, internal order trends, and industry compliance tracking from relevant regulatory authorities.
Product substitution debates in personal care persist, prompted by evolving classification of parabens in certain jurisdictions. Increased scrutiny on documentation and traceability forces overhaul in supplier qualification processes. Major global cosmetic brands announce gradual reduction in paraben-containing products, influencing upstream demand cycles.
EU regulatory amendments prompt formal reassessment of usage limits in specific product segments. US and Japanese import requirements now require lot-specific analytical trace-back and contaminant disclosure, increasing the compliance verification workload at the batch release stage for higher grade material.
Manufacturers invest in process optimization for more robust removal of trace impurities, and expand real-time monitoring during synthesis. Investment in documentation infrastructure ensures fast cycle-time on compliance certificate generation. Strategic sourcing of core intermediates becomes an operational focus where sudden supply-side legislative changes threaten plant availability or pricing structure.
Butylparaben production supports a range of industries, each with distinct demands on raw material quality, impurity control, and production reproducibility. In the personal care sector, butylparaben functions as a broad-spectrum antimicrobial to control microbial contamination in formulations where water activity presents risk. In pharmaceutical applications, the focus extends to datasets on long-term stability, absolute purity, and compliance with established pharmacopeias. Certain industrial processing environments, such as those related to adhesives, coatings, or plastics, seek butylparaben for its preservative action against microbial growth or degradation during storage of aqueous systems. Each of these fields imposes its own critical limits on residual solvents, color, odor, and assay, and the relevance of trace impurities such as para-hydroxybenzoic acid or residual butylating agents changes depending on the specific end-use.
| Application | Typical Grade | Key Parameters | Process Considerations |
|---|---|---|---|
| Cosmetics & Personal Care | Cosmetic Grade | Color, Odor, Assay, Specific Impurities by INCI guidance | Visual and olfactory QC at release; batch cleanliness crucial |
| Pharmaceutical (Topical/Oral/Nasal) | Pharma Grade (EP/USP/JP) | Pharmacopeial compliance, Validation data on organoleptic profile, Microbial limit | Quality supported by validated process flows, closed systems |
| Industrial Formulations | Technical Grade | Assay, Residual organic traces, Solubility factor | Cost-optimized process, broader acceptance for color/odor |
Start by confirming the targeted industry and formulation endpoints. Incorporation in rinse-off products differs in regulatory expectation and grade selection compared to inclusion in ingestible pharmaceuticals or long-term leave-on topicals.
Understand the end-use location and channel. Pharmaceutical production triggers international monograph standards; cosmetic and industrial regulations change by geography. Consult INCI, FDA, EMA, or national standards as dictated by the destination market.
Narrow the target grade based on allowable impurity ranges, color or odor thresholds, and batch release consistency. Higher grades mean stricter control over side products, trace metals, and volatile fractions. Lower grades prioritize cost, trading off on appearance and trace impurity levels.
Cost per kilogram falls as volume scales, but high volume supports only if downstream formulation tolerates wider quality windows. If the product is for a premium or regulated application, investing in a higher grade supports robust product safety and claim substantiation.
Laboratory and pilot line validation of sample lots closes the loop between supplier product control and customer process parameters. Pay attention to color changes during storage, compatibility with solvents, and any deviation in odor profile. Feed-back loops from this stage often drive adjustments to grade specification for ongoing commercial supply.
Production of butylparaben at our facility follows strict quality management standards. Certification to internationally recognized quality systems, such as ISO 9001, supports ongoing process audit cycles and documented corrective actions for deviations. Continuous internal and external assessments focus on traceability, batch segregation, and standardization of test records. Facility audits extend to critical raw materials, documentation control, and trace impurity monitoring throughout the entire production and packaging chain.
Butylparaben certification requirements often reflect the demands of its end-use sector. Pharmaceutical and personal care grades involve conformity to defined pharmacopoeial monographs or acceptance criteria established in coordination with end-customers. Batch-specific compliance to relevant compendial (such as USP/NF, EP) or customer-driven specifications can be supported by documented batch release dossiers, upon request. Grades destined for regulated industries receive release based on comprehensive review of analytical results, with attention to known process-related impurities. Certification for food additive use aligns with relevant local or regional regulations—product grade must be agreed before supply.
Every manufactured batch receives a full Certificate of Analysis, reflecting the actual release results against specified criteria. Inquiries into regulatory status, such as REACH, TSCA, or China IECSC listing, are addressed using up-to-date regulatory documents. For customers with specific traceability or regulatory reporting needs, dossier packages may include audit reports, process flow charts, impurity profiling, and risk assessments, tailored to the required scope. Documentation for transportation and handling reflects current classification for shipping; requests for extended documentation—such as ICH Q3D heavy metal reporting—depend on the requested application segment and grade.
Production capacity for butylparaben is allocated based on long-term planning and multi-year historical demand patterns from core customers. Base contract volumes for key partners support planning of raw materials, campaign scheduling, and inventory management at the plant. Framework agreements define minimum and maximum allocation, periodic delivery scheduling, and buffer inventory strategies to cushion against upstream raw material disruptions or logistics delays. Flexibility in business cooperation is negotiated individually—volume call-offs, rolling forecasts, and periodic review meetings address changes in market dynamics, regulatory shifts, or customer project needs.
Core capacity is maintained using dedicated production lines with locked-in supply of critical intermediates, reducing exposure to raw material price surges or upstream bottlenecks. Grade selection for each supply partner is finalized by cross-referencing customer application needs with process purification routes and final packaging type. Special focus is placed on minimizing cross-contamination and batch variation. Production batch records and process logs are retained to support retrospective investigations or customer audits. Supply capability also hinges on pro-active capacity optimization, routine equipment maintenance, and predictive inventory analytics to manage peak demand intervals or off-contract supply requests.
Sample requests for butylparaben are handled through a technical-approval pathway. The application must specify desired grade, target application, packaging requirements, and any special documentation needs. Technical review considers compatibility with existing customer formulations, anticipated analytical requirements, and downstream regulatory territory. Provided samples are produced from main line batches to ensure representativeness. Batch documentation and preliminary analytical reports accompany the shipment. Repeat or scale-up requests involve direct engagement with development or technical support teams for iterative feedback and optimization.
Flexibility in commercial cooperation reflects realistic assessment of manufacturing constraints, customer project cycles, and the inherent variability in demand. Contract models available include fixed quantity with periodic revision, rolling forecast-based fulfillment, and make-to-order arrangements for sensitive or customized grades. Strategic partners may propose consignment inventory or vendor-managed stock to streamline supply chain operations. For ad-hoc or project-oriented supply, split shipments, expedited production windows, or joint packaging line setups can be negotiated. All flexible cooperation must account for lead time management, order aggregation, and full traceability of each delivery lot. Through collaborative planning, both production stability and agile response to evolving customer needs are maintained.
R&D activity in the butylparaben sector increasingly focuses on adapting production purity and impurity profiles for personal care, pharmaceutical, and food additive applications. Formulators in cosmetics demand lower impurity levels and consistent antimicrobial activity. Pharmaceutical uses call for extensive impurity panels, including specific attention to process-related and degradation byproducts. Ongoing assessment of paraben-related allergenic and endocrine disruption concerns drives studies targeting alternative preservation systems and optimizing paraben concentrations to balance efficacy and regulatory compliance.
Interest grows in extending butylparaben’s use as a preservative into emerging markets where cold-chain logistics challenge product shelf life. Demand from industrial biocides and adhesives markets accelerates trials for extending functional lifetimes of water-based systems. Some technical coatings and plastics manufacturers investigate butylparaben or its blends as in-can preservatives, where water activity favors microbial growth but performance depends on compatibility with polymers and additives. Each industry segment tests grade adaptation, method of addition, and potential for co-preservative synergy.
Key challenges involve managing trace impurities resulting from esterification steps and oxidation during storage, particularly in warm or humid regions. Downtime during transfer and packaging often introduces contamination risks. Increased R&D resources address accelerated purification methods and inline monitoring of total phenol residue. Some plants experiment with continuous process intensification to smooth batch variability, thereby reducing both process-generated and handling-related impurities. Advances in analytical validation sharpen resolution in HPLC and GC-MS routines, supporting traceability during regulatory review.
The paraben market’s direction depends on evolving international regulations and formulary shifts rather than volume expansion in any single sector. Despite negative press in key regions, butylparaben retains substantial roles due to its broad antimicrobial spectrum and value in complex emulsions. Technical shifts among major multinational buyers may drive tightening of impurity controls, redefining grade boundaries and demanding agile manufacturing responses. Asian growth, driven by hygiene product expansion and less restrictive regulatory climates, may offset plateaus in established markets.
Technology development centers on automated monitoring of critical process parameters, like esterification completeness, crude isolation yield, and minimization of hydrolysis under atmospheric exposure. Real-time sensors and digital process records are under evaluation to meet demands for traceability. Production routes that allow closed handling and rapid isolation reduce water activity and mitigate hydrolysis-induced impurity generation. Technicians regularly review dryer performance and storage conditions to manage product homogeneity and granule flow properties, crucial for downstream formulation.
Suppliers face mounting pressure to document renewable-source raw materials and to reduce chemical waste, especially in effluent and solvent handling. R&D explores alternative catalysts and water recovery in the esterification stage. Energy use mapping encourages heat and solvent recycling in plant utilities. Analytical chemists refine impurity quantification protocols to reassure customers about environmental exposure in both use and disposal stages. Technical teams participate in industry consortia that review alternative preservation systems, with periodic reevaluation of butylparaben’s life-cycle impact compared with replacement candidates.
Direct support is provided by product specialists familiar with both large- and small-scale downstream integration challenges. Consultation includes advice on impurity risk assessment related to storage and shelf life, assessment of compatibility with formulation excipients, and safety data aligned to the final-use sector. Technical staff address troubleshooting for dissolution and dispersion in water-based vs. oil-based systems, accounting for grade differences. Support includes sharing analytical methods for incoming QC and release, adaptable to customer-specific test matrices.
Customers in formulation R&D receive process advice for maximizing preservative distribution uniformity without promoting product instability. In food and pharma sectors, technical teams may develop impurity tracking strategies compliant with local or international regulatory protocols, coordinating with customer analytical labs to ensure method harmonization. Support also extends to evaluation of preservative effectiveness under varied pH, temperature, and packaging conditions. For industrial and coatings applications, chemical engineers discuss optimum points for preservative addition to minimize deactivation.
Ongoing technical stewardship encompasses batch follow-ups, process change notifications, and real-time root cause analysis if a product deviation arises. Batch-specific documents detail route, origin, grade, and critical material handling instructions, designed for compliance traceability. Any product reclamation or return cases are handled with full disclosure of internal investigation outcomes. Commitments include open collaboration during customer audits, support during regulatory submissions, and rapid evidence generation in the event of product-related field queries.
We operate a dedicated plant specializing in the production of butylparaben, supplying large-scale industrial buyers across multiple sectors. Decades in chemical manufacturing have shaped a well-established process that turns high-purity raw materials into reliable batches of butylparaben, demanded by some of the most discerning partners in personal care, pharmaceuticals, and industrial preservation.
Downstream manufacturers in personal care often look to butylparaben as a proven preservative for creams, lotions, shampoos, and related formulations. Its role extends beyond cosmetics. Pharmaceutical producers integrate our material into topical applications due to its dependable antimicrobial properties. Beyond health and beauty, adhesive and topical industrial coatings benefit from butylparaben’s preservative action during storage and end use. Our team maintains ongoing dialogue with application engineers in these industries to guide adjustments and ongoing certifications.
Every batch of butylparaben coming from our plant meets specifications established through strict process controls. Process chemists monitor each stage, supported by real-time analytics tracking critical parameters. Before release, our in-house lab verifies assay, moisture, and purity profiles with calibrated instrumentation. By retaining oversight over the full production lifecycle—procurement, synthesis, in-process checks, and analytical testing—we minimize batch-to-batch variation. Buyers receive product with the same profile, every purchase cycle.
Large-scale and specialty buyers often face changing requirements in drum size, pallet configuration, or intermediate bulk container requests. We handle this with a flexible, in-plant packaging operation. Product leaves the line sealed for stability and traceability. For regional partners and global distribution hubs, we provide both standard and custom-heavy packaging solutions to fit storage and compliance needs. Our logistics team runs ongoing risk reviews and maintains contingency warehousing to safeguard critical supply lines.
Industrial formulators raising process or compatibility concerns can connect directly with our technical specialists. Joint trials, scale-up support, and troubleshooting walk-throughs allow us to fit the material into unique formulations, grease lines, or coating bases. Our input goes beyond generic recommendations—field engineers draw from production experience and knowledge of common industrial solvent systems and equipment. This direct engagement helps buyers streamline their operations and maintain throughput even when they adjust recipes or scaling plans.
Direct access to an established manufacturer translates into operational predictability for downstream producers and multinational distributors. Our output capacity handles both ongoing commercial volumes and short-lead surge requirements without overextending the line. Inventory transparency and pre-booked volumes allow procurement teams to forecast closely and avoid excess warehousing or shortages. Compliance documents, batch traceability, and analytics support every delivery. Feedback loops with end-users drive continuous improvement, allowing us to respond to regulatory changes and new market requirements efficiently.
Direct oversight of the entire lifecycle of butylparaben creates commercial reliability. From purchase to production, packaging, and dispatch, industrial buyers gain direct benefit from well-managed operations and technical expertise at the source.
As a chemical manufacturer, we produce Butylparaben with a clear understanding of its chemistry and performance. Structurally, Butylparaben belongs to the family of parabens—esters of p-hydroxybenzoic acid. Its molecular formula, C11H14O3, reflects a paraben with a butyl group (four carbon atoms) attached to the ester function. This group gives Butylparaben distinctive physical and chemical properties, especially compared to the methyl or ethyl analogs. It appears as a white, crystalline or powdery substance, exhibiting both oil solubility and low water solubility.
The molecular structure plays a direct role in its antimicrobial activity. Longer alkyl chains, such as the butyl side group in Butylparaben, increase lipid solubility and enhance preservative performance against molds and some types of bacteria. This tailored balance of hydrophobicity ensures that Butylparaben works efficiently in complex, water-poor formulations in industry.
Our production of Butylparaben focuses on consistent purity and quality, which come through every batch. In commercial-scale production, strict batch control and analytical verification remain critical, as our industrial customers—especially those in personal care and cosmetics sectors—are highly regulated. They depend on clear documentation and reliable results from every drum or bag we ship.
Preservation is the primary reason clients in cosmetics and topical pharmaceuticals specify Butylparaben. As an antimicrobial agent, it controls microbial growth in creams, lotions, mascaras, shampoos, and ointments. Its balance between efficacy and value has kept it central to modern formulation design. For example, in emulsion-based creams or oil-heavy lotions, Butylparaben outperforms shorter-chain parabens by providing longer shelf-life without noticeable impact on viscosity, appearance, or feel.
We look beyond the cosmetics field. Butylparaben also finds application in certain food packaging, adhesives, and even in some industrial lubricants, where antimicrobial preservation is necessary. In each case, choosing the correct grade, particle size, and purity profile ensures compatibility and regulatory compliance with the end-use environment. Our facility maintains capacity for both standard and customized orders, keeping up with the diverse needs across global sectors.
As pressure rises around safe use and consumer perception of synthetic preservatives, we invest deeply in both compliance and transparency. Our product specifications align with relevant pharmacopeia and food-additive regulations where permitted. Stability and migration testing accompany outgoing shipments destined for especially sensitive applications.
Science continues to evolve around paraben safety. We actively monitor the latest toxicological reviews and participate in industry studies, enabling our technical team to provide expert guidance. For clients requiring alternative preservation, we support reformulation initiatives and offer consulting grounded in direct manufacturing and lab-scale testing experience.
Our zero-discharge policy and closed-loop handling on-site aim to minimize environmental impact from start to finish, addressing growing concerns about persistent chemical residues in ecosystems. Each kilo of Butylparaben coming off our lines reflects a commitment to safety, accountability, and direct technical support for our customers.
Manufacturing Butylparaben, or any other specialty chemical, involves a balance between process efficiency and customer needs. Our factory lines are set up for full-scale production, not laboratory quantities. We establish a minimum order quantity rooted firmly in process yield, material handling, and packing benchmarks. For instance, batch reactors have fixed volumes. Running a partial load introduces inefficiency—raw material losses are higher, energy input per kilo climbs, and waste rises. Operating with a realistic MOQ helps our team avoid excessive product handling, mixing, or repacking, which reduces quality risks and delays. In practice, our MOQ means shipping pallets of packed drums or bags directly from fresh production instead of small, inefficient repacks. That’s how we guarantee freshness, traceability, and a fair cost structure for every customer.
Customers often ask how soon Butylparaben will be ready for dispatch. Realistically, we look at two main factors: raw material availability and line scheduling. All incoming starting materials are subject to our internal quality checks. We maintain buffer stocks to support most orders, but spikes in demand—or raw material bottlenecks—can stretch delivery timelines. Our procurement and logistics teams continuously review inventory days, so production planning rarely stalls for lack of key components.
Factory line utilization is another critical factor. We allocate reactor slots based on existing customer commitments and projected demand. Large-volume contracts or specialty grades, especially those requiring extra filtration or drying steps, may require a production slot to be reserved several days in advance. Standard grades ship faster, since the process is routine and frequently queued in our schedules.
Unlike distribution channels, as the factory we have a direct hand in the entire process. Customers get clear timelines and advance notice about production slots. When market demand shifts—say, personal care customers launch new product lines and require finished goods sooner—the shift scheduling gets reviewed. We keep lines agile by cross-training operators, updating preventive maintenance plans, and optimizing batch task assignments.
If a customer faces a sudden surge in need, or has strict project deadlines, our technical and commercial teams work together to prioritize feasible solutions. Splitting large orders into staged deliveries, adjusting batch sizes to slot urgent runs in between planned campaigns, or arranging direct shipment from the packing floor sometimes shortens lead times. This direct communication and flexibility only happen when you’re working with a manufacturer, not through an extra distribution tier.
Every shipped lot of Butylparaben comes with a batch certificate detailing quality parameters. We test for essentials—purity, identification, moisture, and residual solvents—using validated methods in our on-site laboratories. Maintaining robust process controls keeps our output consistent. We support full documentation, technical dossiers, and user-specific compliance paperwork on request. This streamlines audits and customer filings, especially when working on regulated applications.
Cutting MOQs too low disrupts overall plant efficiency and cost control. Stretching lead times too far discourages innovation and partnership. At our facility, direct oversight of production and inventory allows us to balance batch size efficiency with real-world customer requirements. That’s the foundation for consistent supply and technical transparency—qualities that matter whether our Butylparaben heads to a large-scale multinational or a fast-scaling regional brand.
Producing butylparaben at industrial scale brings a deep understanding of safe, reliable packaging that stands up to international regulatory review and real-world shipping stress. We supply butylparaben typically as a white crystalline powder. To prevent contamination and moisture uptake, our standard packaging involves high-integrity inner polyethylene liners sealed inside fiber drums or high-density polyethylene drums, often ranging from 25kg up to 50kg net weight. Only food-grade, chemical-resistant materials touch the product. Each container is labeled with the product name, batch number, mode of manufacture, hazard identification, and handling instructions. We do not use break-bulk, nor do we repack, as this introduces unnecessary risks and can complicate the audit trail required for regulatory traceability.
We focus keenly on the unique demands of worldwide logistics. Butylparaben does not classify as a dangerous good under the current UN, IMDG, or IATA lists. Still, we follow industry best practices for chemical stability, cargo compatibility, and transport security. Throughout air and sea freight, we secure all drums on clean, ISPM 15-compliant export pallets, making sure packaging is tightly sealed and stretch-wrapped for movement resistance. Our shipping department marks every shipment with full international labeling, translates documentation as required by receiving countries, and attaches MSDS and Certificate of Analysis with every consignment. Our track record with customs and port authorities shows that clear, correct labeling and thorough documentation prevent unnecessary delays and unwarranted product holds.
As the original manufacturer, we work proactively to meet or exceed international regulatory expectations. Butylparaben holds different status depending on the country and the intended application—whether for use in cosmetics, personal care, food, or pharmaceuticals. For cosmetics, butylparaben is globally recognized on ingredient lists, but each geography—such as the EU, Japan, US—imposes its own limits on permitted concentrations in finished goods. Our regulatory affairs team maintains surveillance over evolving standards, including REACH registration for the EU market and TSCA compliance for North America. We keep full batch production records, analytical data, and safety certifications on file. Registration dossiers for export shipments are prepared in cooperation with our customers’ regulatory teams, particularly where local health authorities, such as the Chinese NMPA or Brazilian ANVISA, request technical documents and safety data in the local language.
Auditors and compliance inspectors value that we never cut corners on traceability or quality control. As raw ingredient manufacturing comes under increasing global scrutiny, our company stays committed to third-party testing, full origin disclosure, and early adoption of regulatory changes. Changes in allowable concentration, labeling requirements in various jurisdictions, and the need for allergen statements do not catch us unprepared. Where importers require notarized certificates or apostilled sales documents, our customer service team prepares these in advance. By collaborating directly with freight forwarders familiar with chemical cargo, we avoid common mistakes around incompatible loads, mis-declared cargo, or temperature excursions during transit.
With continued tightening of ingredient safety and traceability standards worldwide, direct chemical producers like us see growing value in rigorous documentation, hands-on logistics management, and a willingness to tailor compliance support to each customer’s country. We stand by our commitment to transparent, up-to-date compliance and our readiness to back each shipment with manufacturer-signed documentation, meeting the global market’s demands for reliability and safety in every consignment of butylparaben we deliver.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales3@ascent-chem.com, +8615365186327 or WhatsApp: +8615365186327
