It is used as an analytical reagent, corrosion inhibitor, and non-oxidizing anodic inhibitor. It reduces the nitrite requirement of fluids inhibited with nitrite-amine and improves the corrosion protection of carboxylate salt fluids. It is utilized in pigments, dyes, anti-freezing agent, cutting oils, metal finishing agent, brightening agent for zinc, additive for fertilizers and micronutrients.