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HS Code |
548732 |
| Chemical Name | Phthalic Anhydride |
| Chemical Formula | C8H4O3 |
| Molar Mass | 148.12 g/mol |
| Cas Number | 85-44-9 |
| Appearance | White crystalline solid |
| Melting Point | 131°C (268°F) |
| Boiling Point | 295°C (563°F) |
| Density | 1.53 g/cm3 |
| Solubility In Water | 0.6 g/100 mL (25°C) |
| Odor | Slightly irritating, characteristic odor |
| Vapor Pressure | 0.021 mmHg (25°C) |
| Flash Point | 152°C (306°F) |
As an accredited Phthalic Anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99.8%: Phthalic Anhydride with purity 99.8% is used in the manufacture of plasticizers, where it ensures high esterification efficiency and product clarity. Melting Point 131°C: Phthalic Anhydride with a melting point of 131°C is applied in alkyd resin synthesis, where it facilitates uniform polymerization and consistent batch quality. Fine Particle Size <100 µm: Phthalic Anhydride with fine particle size less than 100 µm is utilized in powder coating formulations, where it provides enhanced dispersion and surface finish. Low Moisture Content <0.5%: Phthalic Anhydride with low moisture content below 0.5% is used in pigment production, where it reduces hydrolysis risks and improves product shelf life. Stability Temperature up to 200°C: Phthalic Anhydride with stability temperature up to 200°C is incorporated in unsaturated polyester resin manufacturing, where it enables reliable high-temperature processing and mechanical strength of end products. Molecular Weight 148.1 g/mol: Phthalic Anhydride with a molecular weight of 148.1 g/mol is used in the synthesis of dyes, where it ensures predictable reaction pathways and vibrant color yield. Low Iron Content <5 ppm: Phthalic Anhydride with low iron content less than 5 ppm is used in pharmaceutical intermediates, where it minimizes impurity-related side reactions and meets stringent purity requirements. High Refractive Index 1.654: Phthalic Anhydride with a refractive index of 1.654 is applied in optical polymer production, where it contributes to improved transparency and optical clarity. |
| Packing | Phthalic Anhydride is packaged in a 25 kg net weight, sealed, high-density polyethylene (HDPE) bag with safety labeling and hazard symbols. |
| Container Loading (20′ FCL) | Phthalic Anhydride is typically loaded in 25 kg bags or 500 kg jumbo bags, totaling about 17–20 metric tons per 20′ FCL. |
| Shipping | Phthalic Anhydride is shipped in tightly sealed containers, typically drums or bags, to prevent moisture absorption and contamination. It should be transported in cool, dry, well-ventilated areas, away from incompatible substances such as water and strong oxidizers. Proper hazardous material labeling and handling procedures must be followed during transit. |
| Storage | Phthalic anhydride should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances like strong oxidizers or bases. Store in tightly closed containers made of compatible material. Avoid humidity to prevent hydrolysis. Ensure storage area is equipped with spill containment and clearly labeled. Protect from physical damage, heat, and direct sunlight to maintain stability. |
| Shelf Life | Phthalic Anhydride typically has a shelf life of 3–5 years when stored in cool, dry, tightly sealed containers away from moisture. |
Competitive Phthalic Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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