1. Medicine industry: Used for manufacturing trichloromethane, sulphetrone and  

    benzaldohyde.

 2. Rubber industry: Used as coagulative agent.
 3. Dye-industry: Used as dechlorination agent and cotton boiling-off agent for bleached            cotton.
 4. Leather industry: It can make leather soft, well-developed, tough water proof, wear-ability      Chemical  

 5.Industry Used for manufacturing hydrochloride hydroxylamine and etc.
 6.Light-sensitive industry: Used as developer and others.

 7. Flotation reagent, mining industry chemicals