Pcetic acid phenyl ester
Phenyl acetate
CAS: 122-79-2
Molecular Formula: C8H8O2
Pcetic acid phenyl ester - Names and Identifiers
| Name | Phenyl acetate |
| Synonyms | FEMA 3958 Phenyl acetate PHENYL ACETATE Phenol acetate 2-phenylacetate (4-Acetoxy)polystyrene Acetic acid phenyl ester fenylesterkyselinyoctove Pcetic acid phenyl ester Fenylester kyseliny octove Phenyl ester of acetic acid |
| CAS | 122-79-2 |
| EINECS | 204-575-0 |
| InChI | InChI=1/C8H8O2/c1-7(9)10-8-5-3-2-4-6-8/h2-6H,1H3 |
Pcetic acid phenyl ester - Physico-chemical Properties
| Molecular Formula | C8H8O2 |
| Molar Mass | 136.15 |
| Density | 1.073g/mLat 25°C(lit.) |
| Melting Point | 195-196℃ |
| Boling Point | 196°C(lit.) |
| Flash Point | 170°F |
| JECFA Number | 734 |
| Water Solubility | Soluble in water (4 g/L at 20°C). |
| Solubility | 4g/l practically insoluble |
| Vapor Presure | 0.418mmHg at 25°C |
| Vapor Density | 4.7 |
| Appearance | Liquid |
| Color | Clear colorless to slightly brown |
| Merck | 14,7267 |
| BRN | 636458 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong acids, strong bases, strong reducing agents, strong oxidizing agents. Combustible. |
| Refractive Index | n20/D 1.501(lit.) |
| Physical and Chemical Properties | Colorless liquid. The boiling point is 195.7 ° C, the relative density is 1.0780(20/4 ° C), the refractive index is 1.5033, and the flash point is 76 ° C. With ethanol, ether, chloroform and acetic acid miscible, slightly soluble in water. Strong refractive (same as glass), with a phenol odor. |
Pcetic acid phenyl ester - Risk and Safety
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | 36 - Wear suitable protective clothing. |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 2 |
| RTECS | AJ2800000 |
| TSCA | Yes |
| HS Code | 29153900 |
| Hazard Note | Irritant |
| Toxicity | LD50 orally in rats: 1.63 ml/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969) |
Pcetic acid phenyl ester - Reference Information
| FEMA | 3958 | PHENYL ACETATE |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| properties | phenyl acetate is a colorless liquid, miscible with ethanol, ether, chloroform and acetic acid, slightly soluble in water. Strong refractive (same as glass), with a phenol odor. |
| Use | phenyl acetate is mainly used as a solvent and an intermediate in organic synthesis, for the treatment of acute and chronic jaundice hepatitis, cholecystitis and other diseases. as a solvent and an intermediate for organic synthesis, phenyl acetate is obtained by translocation reaction to obtain hydroxyacetophenone, which is used for the treatment of acute and chronic icteric hepatitis and cholecystitis. solvent. Organic Synthesis. |
| production method | is obtained by reacting sodium phenolate with acetic anhydride. Phenol was added to 15% sodium hydroxide solution, dissolved with stirring to prepare sodium phenolate solution, acetic anhydride was added, and reacted at 30-40 °c. The resulting reaction product was sequentially washed with water, 5% sodium hydroxide solution, and water, dried over calcium chloride, and then distilled to obtain a finished product. The reaction time required for this method is very short, and the yield is about 77%. Another operation method is to heat phenol and acetic anhydride together to boiling, reflux for 3H, after cooling, water washing, alkali washing, water washing, after drying with anhydrous sodium sulfate, distillation to collect 190-195 ℃ fraction, good for phenyl acetate. The yield was about 83%. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:45
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