1-Phenylethanone oxime
Acetophenone oxime
CAS: 613-91-2
Molecular Formula: C8H9NO
1-Phenylethanone oxime - Names and Identifiers
| Name | Acetophenone oxime |
| Synonyms | NSC 3988 AI3-10567 NSC 52223 BRN 1562059 Acetophenone oxime Methyl phenyl ketoxime 1-Phenylethanone oxime 1-phenylethanone oxime 1-PHENYL-1-ETHANONE OXIME 1-PHENYLETHAN-1-ONE OXIME 1-Phenylacetaldehydeoxime Methyl phenyl ketone oxime Ethanone, 1-phenyl-, oxime (1E)-1-phenylethanone oxime N-hydroxy-1-phenylethanimine ACETOPHENONE OXIME FOR SYNTHESIS (NE)-N-(1-Phenylethylidene)hydroxylamine 3-07-00-00954 (Beilstein Handbook Reference) |
| CAS | 613-91-2 |
| EINECS | 210-360-2 |
| InChI | InChI=1/C8H9NO/c1-7(9-10)8-5-3-2-4-6-8/h2-6,10H,1H3/b9-7+ |
| InChIKey | JHNRZXQVBKRYKN-CLFYSBASSA-N |
1-Phenylethanone oxime - Physico-chemical Properties
| Molecular Formula | C8H9NO |
| Molar Mass | 135.16 |
| Density | 1.11 g/mL at 25 °C (lit.) |
| Melting Point | 55-60 °C (lit.) |
| Boling Point | 118-120 °C/20 mmHg (lit.) |
| Flash Point | 118-120°C/20mm |
| Water Solubility | slightly soluble |
| Vapor Presure | 0.0157mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| BRN | 1562059 |
| pKa | 11.43±0.70(Predicted) |
| Storage Condition | -20°C |
| Sensitive | Air & Moisture Sensitive |
| Refractive Index | 1.5302 (rough estima |
| MDL | MFCD00013931 |
| Physical and Chemical Properties | Density: 1.11 Melting Point: 55-60°C Boiling Point: 245°C water-soluble easily soluble |
1-Phenylethanone oxime - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R41 - Risk of serious damage to eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | AM9654000 |
| TSCA | Yes |
| HS Code | 29280090 |
| Hazard Class | IRRITANT |
| Toxicity | LD50 orl-mus: 2 g/kg MEXPAG 11,137,64 |
1-Phenylethanone oxime - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| preparation | 6.4 (55mmol) of acetophenone, 6g(86mmol) of hydroxylamine hydrochloride, 4ml of newly prepared distilled water and 20ml of 95% ethanol were added to the reaction flask, and 11g(275mmol) of solid sodium hydroxide was added in an ice bath in batches. At this time, the solution became a white turbid liquid, which was heated and refluxed for five minutes, the solution was poured into a beaker containing 30ml of concentrated hydrochloric acid and 200ml of water to give acetophenone oxime as a white solid with a melting point of 58 °c to 60 °c. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-mouse LD50: 2000 mg/kg |
| flammability hazard characteristics | flammable; Toxic nitrogen oxide smoke released by thermal decomposition |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
Last Update：2024-04-09 02:00:10
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