... -4 Molecular Weight:190.09 Synonyms: Sodium pyro Application:Sodium Metabisulphite Industrial Grade Mordant of printing and dyeing; Dechlorinate of textile ... of waste water; Rubber solidifying agent, and so on. Sodium Metabisulphite food grade Bleach agent (e. G. Candies, cake, bamboo shoots ... (e. G. Day lily, seafood, fruit and vegetable etc) Sodium Metabisulphite