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HS Code |
635679 |
| Cas Number | 3147-75-9 |
| Molecular Formula | C9H4O5 |
| Molecular Weight | 192.13 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 220-225 °C |
| Boiling Point | Decomposes before boiling |
| Solubility In Water | Slightly soluble |
| Density | 1.703 g/cm³ |
| Purity | Typically ≥98% |
| Smiles | C1=CC(=CC2=C(C=C1)C(=O)OC2=O)C(=O)O |
| Synonyms | 4-Carboxy-1,3-benzenedicarboxylic anhydride |
As an accredited 4-Carboxyphthalic 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%: 4-Carboxyphthalic Anhydride with purity 99% is used in high-performance polymer synthesis, where it ensures consistent molecular structure and enhanced mechanical properties. Melting point 285°C: 4-Carboxyphthalic Anhydride with a melting point of 285°C is used in thermally stable resin formulations, where it improves heat resistance and processing reliability. Particle size ≤10µm: 4-Carboxyphthalic Anhydride of particle size ≤10µm is used in fine chemical production, where it promotes uniform dispersion and faster reaction rates. Stability temperature 150°C: 4-Carboxyphthalic Anhydride with stability temperature at 150°C is used in specialty coatings, where it maintains long-term performance under moderate thermal conditions. Hydrolytic stability: 4-Carboxyphthalic Anhydride with high hydrolytic stability is used in advanced adhesive systems, where it reduces premature degradation and extends shelf life. Moisture content ≤0.2%: 4-Carboxyphthalic Anhydride with moisture content ≤0.2% is used in pharmaceutical intermediates production, where it minimizes unwanted hydrolysis and ensures product quality. Molecular weight 194.12 g/mol: 4-Carboxyphthalic Anhydride with a molecular weight of 194.12 g/mol is used in precision synthesis, where it allows exact stoichiometric calculations and reproducible results. Assay ≥98%: 4-Carboxyphthalic Anhydride with assay ≥98% is used in high-purity dye manufacture, where it guarantees color consistency and high yield. |
| Packing | A 100g amber glass bottle with a tightly sealed cap, labeled "4-Carboxyphthalic Anhydride," includes hazard and handling instructions. |
| Container Loading (20′ FCL) | 20′ FCL container loads about 13–14 metric tons of 4-Carboxyphthalic Anhydride, packed in 25kg bags or drums, safely palletized. |
| Shipping | 4-Carboxyphthalic Anhydride is typically shipped in tightly sealed containers made of materials compatible with organic acids, such as polyethylene-lined drums. It should be transported under cool, dry conditions, protected from moisture and strong oxidizers. Shipping labels should indicate it as a chemical reagent, and compliance with local regulations for hazardous materials is required. |
| Storage | 4-Carboxyphthalic anhydride should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from moisture and incompatible substances such as strong bases or oxidizing agents. Keep it away from heat and direct sunlight. Use appropriate personal protective equipment when handling, and ensure all storage containers are clearly labeled to avoid accidental misuse or exposure. |
| Shelf Life | 4-Carboxyphthalic anhydride has a shelf life of 2-3 years when stored in tightly sealed containers in a cool, dry place. |
Competitive 4-Carboxyphthalic Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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