[English name]ethylene diamine hydrochloride [structure or molecular formula] ã€Properties】 Colorless crystal. ã€Solubility】 Soluble in water and slightly soluble in ethanol. ã€use】 Used in the production of dyes and drugs. [preparation or source] It is prepared by the action of ethylenediamine and hydrochloric acid. ã€other】 Sublimation at 300-330 ° C, but does not melt. Polyvinyl Alcohol Fiber,Yellow Pva Fiber,Pva Fiber Polyvinyl Alcohol,Polyvinyl Alcohol Pva Fiber Puyang Ruidaxu New Materials Company Ltd , https://www.pyruidaxu.com