Chemical Name : Sodium Pyrosulfite, sodium metabisulfite
CAS No : 7681-57-4
Molecular Formula:Na2S2O5 
Molecule Weight:190.10 
Appearance:White or light yellow crystalline powder

Product Description
Sodium Pyrosulfite/Smbs/Sodium metabisulphite/Tech Grade 96%

Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Specification:

Main uses:

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, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Industrial 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 stapk; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose; The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.