Used as the camoulage acid in chrome tanning process in leather industry, used as catalyst, stabilizing agent and reducing agentin printing and dveing industry, and used for producing insurance powder, oxalic acid and formic acid. Additionally, it used for theprecipitation of precious metals.

The complex ion of trivalent metal can be formed in solution. lt has a buffer function, so it can be used for calibrated pH value ofstrong acid.

Used for alkyd resin coating, plasticizer, high explosive, acid resistant material, aviation lubricating oil, and adhesive additive.