PRODUCT: SODIUM METABISULPHITE （TECH GRADE）
FORMULA: NA2S2O5
MOL.WT.: 190.09
CAS NO. 7681-57-4
MAIN APPLICATIONS: Used in the production of insurance powder, sulphadimidine analgin, caprolactam etc., and chloroform, benzene, propyl sulfone and purification of benzaldehyde. Photographic industry ingredients used as a fixing agent. Spices industry for the production of vanillin. Preservatives used in brewing industry, rubber curing agent and the bleached cotton after dechlorination agent. Organic intermediates, dyes, leather is used as the reducing agent used for electroplating industry, oil field wastewater treatment, and used for mining of ore dressing agent, etc.
