methylene chloride CAS NO. 75-09-2 Physical State: Liquid Appearance: colorless liquid Odor: ethereal odor - chloroform-like pH: 6.0-7.0 Vapor Pressure: 350 mm Hg at 20 deg C Viscosity: Not available. Boiling Point: 40 deg C Freezing/Melting Point: -97 deg C Autoignition Temperature: 556 deg C ( 1,032.80 deg F) Flash Point: Not applicable. Explosion Limits, lower: 13 vol % Explosion Limits, upper: 23 vol % Decomposition Temperature: Not available. 270kg/drum, 80 drums/20' FCL 20T 250kg/drum, 80 drums/20' FCL 21.6T