6284-79-3
3,4-Dichlorobenzophenone
CAS: 6284-79-3
Molecular Formula: C13H8Cl2O
6284-79-3 - Names and Identifiers
| Name | 3,4-Dichlorobenzophenone |
| Synonyms | LABOTEST-BB LT00455525 3,4-DICHLOROBENZOPHENONE 3,4-Dichlorobenzophenone bis(4-chlorophenyl) ketone 3,4-DiChlororobenzo phenone bis(4-chlorophenyl)methanone (3,4-Dichlorophenyl)phenyl-methanone (3,4-dichlorophenyl)(phenyl)methanone 6-[(7-chloro-4-quinazolinyl)amino]-1-hexanol |
| CAS | 6284-79-3 |
| EINECS | 228-509-5 |
| InChI | InChI=1/C13H8Cl2O/c14-11-7-6-10(8-12(11)15)13(16)9-4-2-1-3-5-9/h1-8H |
6284-79-3 - Physico-chemical Properties
| Molecular Formula | C13H8Cl2O |
| Molar Mass | 251.11 |
| Density | 1.2472 (rough estimate) |
| Melting Point | 100-103 °C |
| Boling Point | 356.37°C (rough estimate) |
| Flash Point | 159.3°C |
| Vapor Presure | 7.08E-06mmHg at 25°C |
| BRN | 2105069 |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5555 (estimate) |
| MDL | MFCD00000552 |
6284-79-3 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
6284-79-3 - Reference Information
| use | as a pharmaceutical intermediate. Production of mebendazole, a broad-spectrum repellent for intestinal parasites. |
| production method | is obtained by condensation of o-dichlorobenzene and benzoyl chloride. Mix o-dichlorobenzene, benzoyl chloride and anhydrous aluminum trichloride, stir and heat, and react at 130-135 ℃ for 4 hours. After being slightly cooled, put it into 3% cooled hydrochloric acid, filter, and wash with water until neutral to obtain a crude 3, 4-dichlorobenzophenone. The crude product is decolorized by reflux with 6 times ethanol, 0.05 times activated carbon and 0.25 times hydrochloric acid for 30min, filtered while hot, filtered and dried after the filtrate is cooled to below 10 ℃ to obtain the finished product. 71% yield. |
Last Update：2024-04-10 22:29:15
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