Package: 25kg/bag

Molecular Structure:

Product description: Place of Origin: Shandong, China Molecular Formula: Na2S2O5 Molecular weight: 190.09 CAS No: 7681-57-4 Appearance: White powder crystal Solubility: 100% Grade: TECH Grade / FOOD Grade/High purity Grade Packaging detail: PP woven bag with PE inner bag in 25kg/50kg/1000kg or according to customer's demand. Loaded: 25mt/20'FCL with pallets, 25mt/20'FCL without pallets Delivery detail: Within 7-10 days Transportation: BY SEA Port: QINGDAO or TIANJIN Analysis Item Specification TECH Grade FOOD Grade High Purity Grade Assay 96.5% min 97.0% min 98.0% min Iron (as Fe) 0.005% max 0.003% max 0.001% max Appearance of solution - Colorless and transparent - Arsenic (as As) 0.0001% max 0.0001% max 0.0001% max Heavy Metals (as Lead) - 0.0005% max 0.0005% max pH 4.0-4.6 4.0-4.6 4.0-4.6 Water Insoluble 0.05% max 0.05% max 0.05% max