Appearance: white solid. The melting point is 50ºC~70ºC, the relative density is 0.9, the average carbon chain length is C28~C29, and the relative average molecular mass is 400 varieties: the relative density of solid at 20ºC is 0.88~0.93, the refractive index of Chemicalbook is 1.526~1.535, and the relative density of liquid at 100ºC Density 0.73~0.77, refractive index 1.418~1.433. Soluble in benzene, chloroform, carbon tetrachloride, camphor oil, insoluble in methanol, ethanol and water.