Benzopinacole
Synonym(s):Benzopinacol;TPED
- CAS NO.：464-72-2
- Empirical Formula: C26H22O2
- Molecular Weight: 366.45
- MDL number: MFCD00004448
- EINECS: 207-356-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-22 18:57:36
What is Benzopinacole?
Chemical properties
white crystalline powder
The Uses of Benzopinacole
1,1,2,2-Tetraphenylethane-1,2-diol can be used as a flame resistant resin.
Purification Methods
Crystallise benzopinacol from EtOH. [Beilstein 6 IV 7053.]
Properties of Benzopinacole
| Melting point: | 171-173 °C(lit.) |
| Boiling point: | 457.21°C (rough estimate) |
| Density | 1.0629 (rough estimate) |
| refractive index | 1.4875 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Sparingly, Sonicated), DMSO (Slightly, Heated, Sonicated) |
| pka | 12.78±0.29(Predicted) |
| form | Powder or Crystals |
| color | White to slightly yellow |
| Water Solubility | insoluble |
| Merck | 14,1100 |
| BRN | 2061947 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 464-72-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzopinacol(464-72-2) |
| EPA Substance Registry System | 1,2-Ethanediol, 1,1,2,2-tetraphenyl- (464-72-2) |
Safety information for Benzopinacole
| Signal word | Warning |
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P501:Dispose of contents/container to..… |
Computed Descriptors for Benzopinacole
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