CAS: 925-90-6 EC No: 213-127-3 MDL No: MFCD00000043 UN No: UN3399; Haz Class: 4.3 (3); Packing Group: I Liquid Linear Formula: CH₃CH₂MgBr MW: 133.28 Flash Point: -40°C (-40°F) Density (g/mL): 1.020