Molecular Formula:Na2S2O5 Molecule Weight:190.10 Appearance:White or light yellow crystalline powder Main uses: 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) Item