Cresyl diphenyl phosphate
Pharmaceutical Materials 2025-03-02
CAS Number: 26444-49-5
Molecular Formula: C19H17O4P
Molecular Weight: 340.31 g/mol
Appearance: Colorless to pale yellow transparent liquid
Melting Point: -38°C
Boiling Point: 235-255°C
Usage: Widely used as a flame retardant and plasticizer.
| Category | Information |
|---|---|
| Basic Information | |
| Name | Cresyl diphenyl phosphate |
| CAS Number | 26444-49-5 |
| Other Names | Phosphoric acid cresyl diphenyl ester; Diphenyl cresyl phosphate; CDP; Flame retardant CDP |
| Molecular Formula | C19H17O4P |
| Molecular Weight | 340.31 g/mol |
| EINECS Number | 247-693-8 |
| Physical Properties | |
| Appearance | Colorless or slightly yellow transparent liquid |
| Odor | Slightly phenolic |
| Density | Approximately 1.20 g/cm³ |
| Melting Point | Below -38°C |
| Boiling Point | 235-255°C or 405.86°C (varied reports) |
| Flash Point | 212.73°C or 220-237°C (varied reports) |
| Refractive Index | 1.560 (25°C) or 1.5630 (varied reports) |
| Solubility | Soluble in organic solvents, slightly soluble in water |
| Viscosity | 36 CP at 25°C |
| Chemical Properties | |
| Stability | Stable, non-volatile |
| Functional Groups | Phosphate ester |
| Applications | |
| Flame Retardant | Used as a flame retardant and plasticizer in PVC, VC copolymers, polyvinyl acetals, nitrocellulose, acetyl cellulose, etc. |
| Lubricant Additive | Used as an additive in gasoline and lubricants |
| Safety Information | |
| Risk Phrases | H319. H361. H373. H302. H410. H400 (varied depending on specific regulations) |
| Safety Phrases | P301+P312a, P330. P501a, etc. (varied depending on specific regulations) |
| Hazard Class | Flammable liquid |
| Storage Conditions | Store in a cool, dry, well-ventilated area. Keep away from heat, sparks, and flammable materials. |
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