It is also used in medicine, dye, light industry and other industries.

Health hazard: This product is highly corrosive. Dust irritates eyes and respiratory tract, corrodes nasal septum; Direct contact with skin and eyes may cause burns; Misuse may cause burns to the digestive tract, mucosal erosion, bleeding, and shock.

Environmental hazard: it may cause pollution to water bodies.

Explosion hazard: This product is incombustible, highly corrosive and irritating, and can cause burns to human body.

Hazard characteristics: neutralization reaction with acid and exothermic, and explosive explosion due to exothermic is extremely easy to occur in the solution state. This product will not burn, and will give off a lot of heat when encountering water and steam, forming a corrosive solution. It is highly corrosive.