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HS Code |
303618 |
| Chemicalname | 4,4'-Biphthalic anhydride |
| Casnumber | 38141-04-1 |
| Molecularformula | C16H6O6 |
| Molecularweight | 294.22 g/mol |
| Appearance | White to off-white powder |
| Meltingpoint | 272-275 °C |
| Boilingpoint | Decomposes before boiling |
| Solubility | Insoluble in water; soluble in organic solvents such as DMF and DMSO |
| Density | 1.63 g/cm³ |
| Purity | Typically >98% |
| Synonyms | 4,4'-Biphthalic dianhydride; 4,4'-[1,1'-Biphenyl]-2,2',3,3'-tetracarboxylic dianhydride |
| Structure | Two phthalic anhydride units linked at the 4-position of each aromatic ring |
As an accredited 4,4'-Biphthalic anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sigma-Aldrich 4,4'-Biphthalic anhydride, 25g, supplied in a sealed amber glass bottle with tamper-evident cap and product labeling. |
| Shipping | 4,4'-Biphthalic anhydride is shipped in tightly sealed containers to protect from moisture and contamination. It is classified as a hazardous chemical and must be handled according to local and international regulations, including appropriate hazard labeling. Typical shipping involves UN-approved packaging, with documentation for safe transport by ground or air, depending on destination. |
| Storage | **4,4'-Biphthalic anhydride** should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from moisture and incompatible substances such as strong bases and oxidizers. Protect from exposure to air, light, and humidity to prevent hydrolysis. Shelf storage at room temperature is generally suitable. Follow Sigma-Aldrich, Merck, or TCI guidelines and regulatory requirements for storage and handling. |
Competitive 4,4'-Biphthalic anhydride prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
Email: sales3@ar-reagent.com
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