CAS NO. : 616-45-5 Molecular formula : C4H7NO Molecular Weight : 85.11 Appearance : Clear Colorless Liquid Vapour Density : 2.93 Sp. Gravity at 25 C : 1.097 - 1.117 Refractive Index at 20 C : 1.4830 - 1.4850 Boiling Point : 245 C Freezing Point : 25 C Solubility in Water : Soluble Flash Point : 129.4 C