Main ingredients: Industrial-class divided into 27.5%, 35% two kinds.

Appearance and properties: Colorless transparent liquid, has a special odor.
Melting point (centigrade): - 2 (no water)
The boiling point (centigrade): 1249 (no water)
Refractive index 1.4067 (25 centigrade):
The relative density (water = 1): 1.46 (no water)
Saturated steam pressure (0.13 kPa): (15.3 centigrade)

Solubility: With water, ethanol or aether in any mixing ratio. Insoluble in benzene, petroleum ether.