Sodium formate also known as sodium terate, contains two crystalline water. Sodium formate is one of the simplest organic carboxylates, a white crystal or powder, with a slight formic acid odor. Slittle tic and hygroscopic. Sodium formate is mainly used for the production of insurance powder, oxalic acid and formic acid. Used in the leather industry as a camouflage acid in the chromium tanning method, used for catalyst and stabilizing synthesis agent, reducing agent in the printing and dyeing industry, water treatment carbon source. Sodium formate is harmless to the human body and stimulates the eyes, respiratory system and skin.