Dark red crystal or crystalline powder, odorless and tasteless. Soluble in water, slightly soluble in ethanol and benzene, insoluble in acetone, ether and carbon tetrachloride. There is strong hygroscopicity.
Synthesis
Hydroxocobalamin Hydrochloride is replaced by hydroxocobalamin and sodium metabisulfite, then nitrosated with nitrite, and finally salified with hydrochloric acid.
