Colorless clear viscous liquid. Odorless. Has a warm sweet odor. Absorbs moisture from the air and also absorbs hydrogen sulfide, hydrogen cyanide and sulfur dioxide. Neutral to litmus. Long-term placed at a low temperature of 0 ℃, can form a melting point of 17.8 ℃ glossy rhombohedral crystals.

Can be dissolved with water, ethanol arbitrary miscible, 1 part of this product can be dissolved in 11 parts of ethyl acetate, about 500 parts of ether, insoluble in benzene, chloroform, carbon tetrachloride, carbon disulfide, petroleum ether and oil. Relative density 1.26362. melting point 17.8℃. Boiling point 290.0°C (decomposition). Refractive index 1.4746. Flash point (open cup) 176℃. LD50 (rat, oral) >20ml/kg