D-(-)-Phenylglycineacidchloride,hydrochloride
D-(-)-A-phenylglycine acid chloride hydrochloride
CAS: 39878-87-0
Molecular Formula: C8H9Cl2NO
D-(-)-Phenylglycineacidchloride,hydrochloride - Names and Identifiers
D-(-)-Phenylglycineacidchloride,hydrochloride - Physico-chemical Properties
| Molecular Formula | C8H9Cl2NO |
| Molar Mass | 206.07 |
| Melting Point | 117°C (dec.)(lit.) |
| Boling Point | 247.2°C at 760 mmHg |
| Flash Point | 302°F |
| Solubility | Dimethylsulfoxide, Water |
| Vapor Presure | 0.026mmHg at 25°C |
| Appearance | Powder |
| Color | Pale brown |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Moisture Sensitive |
| Use | For the synthesis of semi-synthetic penicillins and cephalosporins |
D-(-)-Phenylglycineacidchloride,hydrochloride - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R42 - May cause sensitization by inhalation |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| RTECS | CY1920000 |
| FLUKA BRAND F CODES | 10-19-21-34 |
| TSCA | Yes |
| Hazard Class | 8 |
D-(-)-Phenylglycineacidchloride,hydrochloride - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | intermediates for the synthesis of semi-synthetic penicillin and cephalosporins antibiotics pioneer I, pivoxil ampicillin, ampicillin, etc. |
| production method | put DL-phenylglycine into the split tank, add water and D-camphor sulfonic acid, and heat. Activated carbon decolorization, filtration, cooling, precipitation crystallization. Crystallization is added with 4 times the amount of water, heated and dissolved, ammonia is neutralized, and cooled to obtain D(-)-phenylglycine. D(-)-phenylglycine and ethyl acetate were added to a chlorination pot, hydrogen chloride was passed on 5-10 for about 3h, phosphorus pentachloride was added, reacted at 15 ℃ for 5h, filtered, and the filter cake was washed with ethyl acetate to obtain phenylyl chloride hydrochloride. |
Last Update：2024-04-09 20:52:54
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CAS: 39878-87-0
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CAS: 39878-87-0
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