1-Phenyl-1,2-ethanediol
1-Phenyl-1,2-ethanediol
CAS: 93-56-1
Molecular Formula: C8H10O2
1-Phenyl-1,2-ethanediol - Names and Identifiers
| Name | 1-Phenyl-1,2-ethanediol |
| Synonyms | STYRENE GLYCOL 'STYROLGLYKOL' PHENYLETHYLENE GLYCOL PHENYL-1,2-ETHANEDIOL 1-Phenyl-1,2-ethanediol 1,2-Dihydroxyethylbenzene 1,2-Dihydroxy-1-phenylethane |
| CAS | 93-56-1 |
| EINECS | 202-258-1 |
| InChI | InChI=1/C8H10O2/c9-6-8(10)7-4-2-1-3-5-7/h1-5,8-10H,6H2 |
1-Phenyl-1,2-ethanediol - Physico-chemical Properties
| Molecular Formula | C8H10O2 |
| Molar Mass | 138.16 |
| Density | 1.0742 (rough estimate) |
| Melting Point | 66-68°C(lit.) |
| Boling Point | 272-274°C760mm Hg(lit.) |
| Flash Point | 160°C |
| Water Solubility | almost transparency |
| Solubility | Chloroform (Slightly), Ethanol, Methanol (Slightly) |
| Appearance | Solid |
| Color | White to light beige |
| Merck | 14,8861 |
| BRN | 1306723 |
| pKa | 13.61±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5340 (estimate) |
| MDL | MFCD00003546 |
| Physical and Chemical Properties | Phenyl -1, 2-ethylene glycol is white needle-like crystal, melting point 69-70 ℃, boiling point 272-274 ℃. Easily soluble in water, alcohol, ether and benzene, slightly soluble in petroleum ether, but easily soluble in hot petroleum ether. |
| Use | For Organic synthesis |
1-Phenyl-1,2-ethanediol - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | KI2500000 |
| TSCA | Yes |
| HS Code | 29062900 |
1-Phenyl-1,2-ethanediol - Introduction
Easily soluble in water, ethanol, ether, benzene, chloroform, hot crude gasoline and acetic acid, slightly soluble in cold crude gasoline. racemate. There are also left-handed and right-handed bodies (R):[16355-00-3], (S):[25779-13-9], see other pages of this website.
Last Update：2022-10-16 17:30:14
1-Phenyl-1,2-ethanediol - Reference Information
| Chemical properties | Phenyl -1, 2-ethylene glycol is a white needle-like crystal with a melting point of 69-70 ℃ and a boiling point of 272-274 ℃. Easily soluble in water, alcohol, ether and benzene, slightly soluble in petroleum ether, but easily soluble in hot petroleum ether. |
| use | for organic synthesis |
| Production method | The reaction of styrene and bromine produces 1,2-dibromophenane, which is then hydrolyzed to obtain phenyl ethylene glycol. Styrene is added to petroleum ether, bromine is added dropwise under cooling, the temperature is controlled below 15 ℃, stirring for 1h after adding, white crystals of 1,2-dibromophenane are filtered out, and refluxed with water and potassium carbonate for 20h. Cooling, the upper oil is separated, and the water layer is saturated with potassium carbonate to precipitate the oil layer. Split the oil layer. The water layer is extracted with benzene. The extract is combined with the oil layer, the benzene is recovered after drying, and then the phenylethylene glycol is distilled under reduced pressure. |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
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