466-37-5
2,2,2-Triphenylacetophenone
CAS: 466-37-5
Molecular Formula: C26H20O
466-37-5 - Names and Identifiers
| Name | 2,2,2-Triphenylacetophenone |
| Synonyms | 2,2,2- Triphen B-Benzopinacoline Tetraphenylethanone Phenyltriphenylketone 2,2,2-Triphenylacetophenone phenyl triphenylmethyl ketone Phenyl triphenylmethyl ketone~2,2,2-Triphenylacetophenone Benzopinacolone, (Phenyl triphenyl ketone |
| CAS | 466-37-5 |
| EINECS | 207-375-1 |
| InChI | InChI=1/C26H20O/c27-25(21-13-5-1-6-14-21)26(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H |
466-37-5 - Physico-chemical Properties
| Molecular Formula | C26H20O |
| Molar Mass | 348.44 |
| Density | 1.0447 (rough estimate) |
| Melting Point | 182-184 °C (lit.) |
| Boling Point | 442.8°C (rough estimate) |
| Flash Point | 216.3°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 4.55E-10mmHg at 25°C |
| Appearance | Solid |
| Color | White to Off-White |
| BRN | 2058376 |
| Storage Condition | Storage temperature: no restrictions. |
| Refractive Index | 1.6380 (estimate) |
| MDL | MFCD00004762 |
466-37-5 - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
466-37-5 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| overview | 2,2, 2-triphenylacetophenone can be used as an intermediate in pharmaceutical synthesis. If 2,2, 2-triphenylacetophenone is inhaled, please move the patient to fresh air. If skin is in contact, remove contaminated clothes, rinse the skin thoroughly with soapy water and clear water, and see a doctor if you feel uncomfortable. |
| production method | 1. preparation method: add 1g iodine, 500mL glacial acetic acid, phenyl pinacol (2)100g(0.27mol) to a 1L round bottom flask equipped with reflux condenser. Under shaking, slowly heat to boiling, about 5min the solid dissolves, forming a red solution. Immediately transfer the reaction solution to a 1L beaker, cool, precipitate solid, filter, glacial acetic acid wash 2-3 times, until colorless, dry, almost pure compound (1), weight 90-91g, yield 95%-96%,mp178 -179 ℃. Dissolve it in 450mL of hot benzene, filter, add 250mL of petroleum ether (90~100 ℃), cool, filter and dry to obtain pure product (1)82~83g,mp179~180 ℃ [1] |
Last Update：2024-04-10 22:29:15
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