Characters Description
Colorless or pale brown oily liquid
Colorless transparent liquid

Physical parameters
Density: 0.728 g / mL (25 ℃) (lit.)
Boiling point: 107-108 ℃ (lit.)
Melting point: -157 ° C
Flash point: -3 ℃
Refractive index (n20 / D): 1.412 (lit.)