Appearance：colourless liquid

Density：0.915

Boiling Point：78-79ºC

Melting Point：-88ºC

Flash Point：-2ºC

Refractive Index：1.377

Water Solubility：5 g/100 mL at 20 ºC

Stability：Stable. Highly flammable. Incompatible with strong oxidizing agents, acids, bases. Readily forms explosive mixtures with air. Moisture sensitive.

Storage Condition：Flammables area

Vapor Density：3 (vs air)

Vapor Pressure：40 mm Hg ( 11 °C)