Triphenylphosphine (Tpp) [603-35-0] serves as a key component in chemical process workflows. Its molecular formula is C18H15P, with a molecular weight of 262.3. It exhibits a Boiling Point greater than 360.0 °C, and a Melting Point of 80.0 °C. A Warning label is required due to its potential harmfulness if swallowed and ability to cause skin sensitization.

• CAS Number: 603-35-0
• Exact Mass: 262.091137476
• Melting Point: 80.0 °C
• Boiling Point: greater than 360.0 °C
• Vapour Density: 1.194 at 77 °F
• Molecular Weight: 262.3
• Molecular Formula: C18H15P
• GHS Signal Word: Warning
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]
• H317: May cause an allergic skin reaction [Warning Sensitization, Skin]