Sodium metabisulfite CAS NO.7681-57-4

ITEM Quality Index Industry Grade Purity ( As Na2S2O5) 97.0% min Sulfur Dioxide( SO2) 65.0% min Arsenic ( As ) …

ITEM Quality Index Industry Grade Purity ( As Na2S2O5) 97.0% min Sulfur Dioxide( SO2) 65.0% min Arsenic ( As ) - Heavy metals ( As Pb ) - Selenium (Se ) - Iron (Fe) 0.002% max Water insoluble 0.05% max PH value : 4.0-4.8 Remark : Conformed with FCC V and E 223 Standard Application: (1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc). "(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on ." (3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc. (4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose. Storage:Store the product in a dry and cool place.