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HS Code |
282004 |
| Cas Number | 6706-20-3 |
| Molecular Formula | C10H4O3 |
| Molecular Weight | 172.14 g/mol |
| Appearance | Off-white to yellow crystalline powder |
| Melting Point | 222-225°C |
| Solubility In Water | Insoluble |
| Structure Type | Aromatic anhydride with an ethynyl substituent |
| Iupac Name | 4-Ethynyl-1,3-isobenzofurandione |
| Purity | Typically ≥98% |
| Storage Conditions | Store in a cool, dry place; keep container tightly closed |
| Synonyms | 4-Ethynylphthalic anhydride; 4-EPA |
| Reactivity | Reacts with nucleophiles; anhydride functional group |
As an accredited 4-Ethynylphthalic Anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 4-Ethynylphthalic Anhydride (Sigma Aldrich, 5g) is supplied in a sealed amber glass bottle with tamper-evident screw cap. |
| Shipping | 4-Ethynylphthalic Anhydride is shipped in tightly sealed containers under dry, cool conditions to prevent moisture absorption and degradation. Classified as a potentially hazardous material, it is transported according to regulatory guidelines (IATA/IMDG/DOT), with proper labeling and documentation from suppliers such as Sigma Aldrich, Merck, or TCI. |
| Storage | 4-Ethynylphthalic Anhydride should be stored in a cool, dry, and well-ventilated area, away from moisture, heat, and sources of ignition. Keep the container tightly closed and protected from light. Store in a corrosion-resistant container with a resistant inner liner. Segregate from incompatible substances such as strong bases, oxidizers, and water. Follow all standard chemical storage guidelines as per Sigma-Aldrich or manufacturer’s instructions. |
Competitive 4-Ethynylphthalic Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
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