131-58-8
2-Methylbenzophenone
CAS: 131-58-8
Molecular Formula: C14H12O
131-58-8 - Names and Identifiers
| Name | 2-Methylbenzophenone |
| Synonyms | Photoinitiator-2MBP Phenyl tolyl ketone 2-Methylbenzophenone 2-METHYLBENZOPHENONE 2-Methyl-benzophenon Phenyl o-tolyl ketone 2-PHENYL TOLYL KETONE PHENYL 2-TOLYL KETONE PHENYL O-TOLYL KETONE Phenyl 2-tolyl ketone Benzophenone, 2-methyl- Tris(methylthio)methane 2-PHENYL CARBONYL TOLUENE (2-methylphenyl)phenyl-methanon (2-Methylphenyl)phenyl-methanone 2-Methylbenzophenone, (Phenyl o-tolyl ketone) |
| CAS | 131-58-8 |
| EINECS | 205-032-0 |
| InChI | InChI=1/C14H12O/c1-11-7-5-6-10-13(11)14(15)12-8-3-2-4-9-12/h2-10H,1H3 |
131-58-8 - Physico-chemical Properties
| Molecular Formula | C14H12O |
| Molar Mass | 196.24 |
| Density | 1.083 g/mL at 25 °C (lit.) |
| Melting Point | -18 °C |
| Boling Point | 125-127 °C/0.3 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | Insoluble in water. |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.000617mmHg at 25°C |
| Appearance | Transparent liquid |
| Color | Colourless |
| Merck | 14,7317 |
| BRN | 2045469 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.5958(lit.) |
| MDL | MFCD00008518 |
| Physical and Chemical Properties | Colorless or light yellow transparent liquid. The melting point was about 134 °c. |
| Use | Used as a pharmaceutical Intermediate |
131-58-8 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29143990 |
| Hazard Note | Irritant |
131-58-8 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | 2-methylbenzophenone is a benzophenone compound and a very important fine chemical. At the same time, ketones are also the core structures of many organic molecules, such as functional materials, fragrances and drug molecules. Aromatic ketone is a very important synthetic block in organic synthesis, which widely exists in the core structure of natural products and is widely used in bioactive compounds. |
| preparation | under the protection of inert gas, 2-methylphenylsulfonylhydrazide (1.1mmol), benzonitrile (1.0mmol), palladium catalyst (2mol%) and biquinoline (bq,3mol%) are dispersed in an organic solvent (2mL), then H2O(2mmol) is added, and the temperature is raised to 80 ℃ for reaction for 6 hours. Then the reaction liquid was extracted three times with Et2O(5mL), the organic phase was combined, and the solvent was decompressed and dried. The crude product was subjected to column chromatography with silica gel column (300-400 mesh), and the eluent was a mixture of petroleum ether and ethyl acetate to obtain the target product 2-methyl benzophenone. |
| use | as a pharmaceutical intermediate |
Last Update：2024-04-09 02:00:06
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