CAS: 594-09-2 EC No: 209-823-1 MDL No: MFCD00008510 UN No: UN2845; Haz Class: 4.2; Packing Group: I Liquid Linear Formula: (CH₃)₃P MW: 76.08 Boiling Point: 38-40° Flash Point: -30°C (-22°F) Density (g/mL): 0.738 Refractive Index: 1.428