CAS: 75-36-5 EC No: 200-865-6 MDL No: MFCD00000719 RTECS: AO6390000 UN No: UN1717; Haz Class: 3 (8); Packing Group: II Liquid Linear Formula: CH3COCl MW: 78.50 Melting Point: -112° Boiling Point: 52° Flash Point: 5°C (41°F) Density (g/mL): 1.104 Refractive Index: 1.389