Colorless or dark yellow oily liquid. Freezing point -21 ℃. Boiling point 247.2 ℃. Flash point 260 ℃. Relative density is 1.0377. The refractive index is 1.4678. Can be miscible with water and alcohol. Slightly soluble in ether.
Mainly used as emulsifiers and absorbents for acidic gases, and also as intermediates for anti-tumor drugs.