Diphenic acid
Pharmaceutical Materials 2025-03-02
CAS Number: 482-05-3
Molecular Formula: C14H10O4
Molecular Weight: 242.227
Appearance: White powder
Usage: Pharmaceutical intermediate and organic synthesis intermediate. It is insoluble in water and should be stored in a cool, dry place.
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| Attribute | Details |
|---|---|
| Chemical Name | Diphenic Acid |
| Other Names | 2.2′-Biphenyldicarboxylic Acid; 2.2′-Diphenic Acid; Biphenyl-2.2′-dicarboxylic Acid |
| CAS Number | 482-05-3 |
| Molecular Formula | C14H10O4 |
| Molecular Weight | 242.227 g/mol |
| Appearance | Slightly gray powder or crystalline solid |
| Melting Point | 227-229 °C (lit.); 232-233 °C (another source) |
| Boiling Point | 422.8 °C at 760 mmHg |
| Density | 1.347 g/cm³ |
| Solubility | Insoluble in water (at 20 °C); soluble in organic solvents such as ethanol and acetone |
| LogP | 2.75 |
| PSA | 74.60000 Ų |
| Stability | Stable under normal temperatures and pressures |
| Production Method | Obtained from the oxidation of phenanthrene |
| Chemical Reactivity | Reacts as an aromatic dicarboxylic acid, capable of forming anhydrides, esters, imides, amides, and oxychlorides |
| Applications | Used as a raw material for resins, modifiers for engineering plastics, specialty coatings, fibers, plasticizers, pressure-sensitive adhesives, rust inhibitors, and raw materials for pharmaceuticals, dyes, pigments, and pesticides |
| Safety Information | May cause skin and eye irritation; wear appropriate protective clothing, gloves, and eye protection; refer to the MSDS for detailed safety information |
