Benzpinacol
Benzopinacole
CAS: 464-72-2
Molecular Formula: C26H22O2
Benzpinacol - Names and Identifiers
| Name | Benzopinacole |
| Synonyms | Benzpinacol BENZOPINACOL Benzopinacol BENZOPINACON benzopinacone BENZOPINACOLE Benzopinacole beta-Benzopinacole benzophenonepinacol tetraphenylethane-1,2-diol 1,1,2,2-Tetraphenylethane-1,2-diol 1,1,2,2-Tetraphenyl-1,2-ethanediol |
| CAS | 464-72-2 |
| EINECS | 207-356-8 |
| InChI | InChI=1/C26H22O2/c27-25(21-13-5-1-6-14-21,22-15-7-2-8-16-22)26(28,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20,27-28H |
Benzpinacol - Physico-chemical Properties
| Molecular Formula | C26H22O2 |
| Molar Mass | 366.45 |
| Density | 1.0629 (rough estimate) |
| Melting Point | 171-173°C(lit.) |
| Boling Point | 457.21°C (rough estimate) |
| Flash Point | 224.9°C |
| Water Solubility | insoluble |
| Vapor Presure | 4.26E-11mmHg at 25°C |
| Appearance | White crystal |
| Color | White to slightly yellow |
| Merck | 14,1100 |
| BRN | 2061947 |
| pKa | 12.78±0.29(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.4875 (estimate) |
| MDL | MFCD00004448 |
| Physical and Chemical Properties | White monoclinic crystals. Melting point 197 C, 222 C (decomposition). Soluble in boiling hot glacial acetic acid (1 part dissolved in 11.5), boiling benzene (1 part dissolved in 26), easily soluble in ether, carbon disulfide, chloroform. |
Benzpinacol - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. 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. |
| UN IDs | 3077 |
| WGK Germany | 2 |
| RTECS | KI2750000 |
| TSCA | Yes |
| HS Code | 29062900 |
| Hazard Note | Irritant |
| Hazard Class | 9 |
| Packing Group | III |
Benzpinacol - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | Benzinacol is an organic synthesis intermediate. |
| production method | the mixture of benzophenone, isoacetone and trace glacial acetic acid is treated with light to crystallize tetraphenyl glycol with a yield of 93-94%. |
Last Update：2024-04-09 19:05:12
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