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HS Code |
131847 |
| Cas Number | 1823-59-2 |
| Molecular Formula | C16H6O7 |
| Molecular Weight | 310.22 g/mol |
| Appearance | White to off-white powder |
| Melting Point | 209-212°C |
| Boiling Point | Decomposes before boiling |
| Solubility | Insoluble in water, soluble in organic solvents |
| Purity | Typically >98% |
| Density | 1.63 g/cm³ |
| Synonyms | ODPA, Diphenylether-3,3',4,4'-tetracarboxylic dianhydride |
| Applications | Used as monomer in polyimide synthesis |
| Storage Conditions | Store in cool, dry place |
| Hazard Classification | Irritant |
As an accredited Oxydiphthalicanhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99%: Oxydiphthalicanhydride with a purity of 99% is used in the synthesis of advanced polyimides, where superior thermal stability and dielectric performance are achieved. Melting point 235°C: Oxydiphthalicanhydride with a melting point of 235°C is used in high-performance resin formulation, where increased processability and uniform flow are obtained. Molecular weight 266.17 g/mol: Oxydiphthalicanhydride with a molecular weight of 266.17 g/mol is used in specialty epoxy curing agents, where precise stoichiometry and crosslinking density result in enhanced mechanical strength. Particle size <30 μm: Oxydiphthalicanhydride with particle size below 30 μm is used in powder coatings manufacturing, where improved dispersion and smooth surface finish are realized. Hydrolytic stability: Oxydiphthalicanhydride with high hydrolytic stability is used in electronic encapsulation materials, where long-term moisture resistance is ensured. Viscosity grade low: Oxydiphthalicanhydride of low viscosity grade is used in rapid-cure adhesives, where fast application and consistent bonding strength are demonstrated. Storage temperature ≤25°C: Oxydiphthalicanhydride stored at or below 25°C is used in cleanroom processes, where preservation of chemical integrity and minimized degradation are achieved. Reactivity index high: Oxydiphthalicanhydride with a high reactivity index is used in anhydride-cured composite systems, where reduced reaction times and high conversion rates are observed. Thermal degradation onset 410°C: Oxydiphthalicanhydride with a thermal degradation onset of 410°C is used in aerospace laminates, where dimensional stability at elevated temperatures is provided. Residual solvent <0.1%: Oxydiphthalicanhydride containing less than 0.1% residual solvent is used in semiconductor-grade insulating films, where ultra-low contamination and electrical reliability are maintained. |
| Packing | Oxydiphthalicanhydride, 100g, is supplied in a sealed amber glass bottle with a tamper-evident cap, labeled for laboratory use. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Oxydiphthalicanhydride involves securely packing up to 16-17 metric tons in moisture-proof, sealed packaging. |
| Shipping | Oxydiphthalicanhydride should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture and physical damage. Ensure proper labeling according to hazardous material guidelines. Store and transport in a cool, dry, and well-ventilated area. Comply with relevant regulations, utilizing strong outer packaging to avoid leaks or exposure during transit. |
| Storage | Oxydiphthalicanhydride should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong bases and acids. Keep the container tightly closed and protected from physical damage. Use non-reactive containers, preferably made of glass or certain plastics. Clearly label and store it in a designated chemical storage cabinet, following all relevant safety guidelines. |
| Shelf Life | Oxydiphthalicanhydride generally has a shelf life of 2-3 years when stored in a cool, dry, and tightly sealed container. |
Competitive Oxydiphthalicanhydride 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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