Colorless crystal. Melting point 170 ° C. Boiling point above 360 ° C. Poorly soluble in benzene, petroleum ether, slightly soluble in cold water, diethyl ether, very slightly soluble in hot water, easily soluble in ethyl alcohol, acid solution, strong alkali solution.
Use
This product can be used in the synthesis of vitamin B12 and other drugs, and in the preparation of high-molecular compounds.