Benzil CAS No. 134-81-6
Pharmaceutical Materials 2025-03-20
Product Name
Benzil
Multiple Names
Benzil;
Dibenzoyl;
Diphenylethanedione;
Melting Point Standard Benzil;
1.2-Diphenylethane-1.2-Dione
CAS No. 134-81-6
EC No. 205-157-0
MF No. C14H10O2
MW No. 210.228
It is used as pharmaceutical intermediate, photosensitizer of UV curing resin, pharmaceutical raw material, organic synthesis intermediate, pesticide, photosensitizer, organic synthesis intermediate, adhesive, etc.
Advantage of Benzil CAS No. 134-81-6
Soluble in ethanol, ether and other organic solvents
It is optically active
Stable, combustible, Incompatible with strong oxidizing agents.
| Aspect | Details |
|---|---|
| Chemical Name | Benzil |
| CAS Number | 134-81-6 |
| EINECS Number | 205-157-0 |
| Molecular Formula | C₁₄H₁₀O₂ |
| Molecular Weight | 210.23 g/mol |
| Physical Appearance | Yellow crystalline powder or prisms |
| Melting Point | 94-97°C |
| Boiling Point | 346-348°C (decomposes) |
| Density | 1.23 g/cm³ |
| Solubility | Soluble in ethanol, ethyl acetate, benzene, and ether; insoluble in water. |
| Applications | Used as a photoinitiator in UV-curable resins, pharmaceutical intermediate (e.g., in antiepileptic drugs), organic synthesis intermediate, and pesticide. Also utilized in dye production and as a sensitizer for thick-film resin curing. |
| Safety Information | Classified as irritant (Xi). Avoid inhalation, skin, and eye contact. Handle in a well-ventilated area with appropriate protective equipment. |
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