1. Product Name: Triphenylphosphine oxide  
2. Cas No.: 791-28-6   
3. EINECS No.: 212-338-8   
4. Molecular formula: C₁₈H₁₅OP
5. Structure

6. Appearance: white crystal powder   
7. Packing: 25kg/cardboard drum   
8. UN code: N/A  PG: N/A Hazard class: N/A   
9. HS code: 2931901990