Molecular fmula: Na2S2O5
Molecular weight: 190.09
Grade: Food Grade,Industrial Grade，Photo Grade, Pharmaceutical Grade
Stage: shading, sealing preservation. Prohibit contact with strong acid strong oxidizer
Appearance: white light yellow crystalline powder crystals. Sted f a long time
col will turn yellow
Food Grade: Bleach agent (e.g. cies, cake, bamboo shoots, etc);
　　　　　　　　Loose agent (e.g. bread, cracker etc);
Antiseptic germicide (e.g. fruit juice, tinne