Sodium Metabisulphite

CAS: 7681-57-4
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SKU 7681-57-4
EINECS 231-673-0
HS Code 28321000
Formula Na2s2o5
Purity 98%
Application Agricultural, Feed, Food, Industrial, Water Treatment
Shape Powder
Color White
Usage

Sodium Metabisulphite (Na2S2O5) is a versatile chemical used in various industries. In the food industry, it acts as a preservative and antioxidant, preventing spoilage and browning in dried fruits, juices, and wines. In water treatment, it dechlorinates water, removing excess chlorine. The textile industry uses it for bleaching and dyeing processes, while in the mining sector, it's employed as a flotation agent. Sodium Metabisulphite is also a reducing agent in photography and pharmaceuticals. Additionally, it's used in cleaning agents for removing stubborn stains and in leather tanning for softening and preservation.

TDS
ComponentRangeTypical
Assay(Na2S2O5 )97.0% min.97.5%
Iron content(base on Fe)0.005% max.0.002%
water insoluble matter0.05% max.0.02%
Arsenic content(base on As)1 ppm max.1ppm
Pb10 ppm max.5ppm
AppearanceWhite or yellowish crystalline powder
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