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HS Code |
666997 |
| Chemical Name | 4-Nitrophthalic Anhydride |
| Cas Number | 3173-99-5 |
| Molecular Formula | C8H3NO5 |
| Molecular Weight | 193.12 g/mol |
| Appearance | Yellow solid |
| Melting Point | 233-236 °C |
| Boiling Point | Decomposes before boiling |
| Solubility | Slightly soluble in water |
| Purity | Typically ≥ 98% |
| Density | 1.67 g/cm³ |
| Storage Conditions | Store at room temperature, keep container tightly closed |
| Hazard Statements | H315, H319, H335 (causes skin, eye, and respiratory irritation) |
| Smiles | O=C1OC(=O)c2cc(ccc12)[N+](=O)[O-] |
| Synonyms | 4-Nitrophthalic acid anhydride |
As an accredited 4-Nitrophthalic 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-Nitrophthalic Anhydride with purity 99% is used in high-performance dye synthesis, where consistent chromatographic profiles are achieved. Melting Point 240°C: 4-Nitrophthalic Anhydride with a melting point of 240°C is used in polyimide resin production, where thermal stability of polymers is enhanced. Particle Size <10 µm: 4-Nitrophthalic Anhydride with particle size less than 10 µm is used in specialty pigment manufacturing, where dispersion uniformity is improved. Moisture Content <0.5%: 4-Nitrophthalic Anhydride with moisture content below 0.5% is used in pharmaceutical intermediate formulation, where the risk of hydrolysis is minimized. Stability Temperature 180°C: 4-Nitrophthalic Anhydride with stability temperature of 180°C is used in advanced coating applications, where resistance to decomposition during curing is ensured. Low Metal Impurities <50 ppm: 4-Nitrophthalic Anhydride with metal impurities under 50 ppm is used in electronic-grade material synthesis, where electrical insulation characteristics are optimized. |
| Packing | 100g of 4-Nitrophthalic Anhydride is supplied in a tightly sealed amber glass bottle with a hazard-labeled, tamper-evident cap. |
| Container Loading (20′ FCL) | 20′ FCL: 4-Nitrophthalic Anhydride is packed in HDPE bags/drums, loaded efficiently for secure, contamination-free export and transportation. |
| Shipping | **4-Nitrophthalic Anhydride** must be shipped in tightly sealed, corrosion-resistant containers. Handle with care as it is an irritant and harmful if inhaled or ingested. Transport following chemical safety regulations, labeling all packages with appropriate hazard warnings. Avoid exposure to moisture and incompatible substances during transit. Store in a cool, dry environment. |
| Storage | 4-Nitrophthalic anhydride should be stored in a cool, dry, well-ventilated area, tightly sealed in its original, clearly labeled container. Keep away from moisture, heat sources, acids, and incompatible materials such as strong bases and reducing agents. Protect from direct sunlight. Use appropriate secondary containment to prevent environmental contamination in case of spills. Always follow all relevant safety regulations and guidelines. |
| Shelf Life | 4-Nitrophthalic Anhydride typically has a shelf life of 2-5 years if stored in a cool, dry, tightly sealed container. |
Competitive 4-Nitrophthalic 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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