WC Code: 19-047

Sodium Sulfite Anhydrous 97%

Wintersun code: 19-047
CAS Number: 7757-83-7
Molecular Formula: Na2SO3

Sales Specification

Appearance: White Powder,
Na2SO3: 97.0 % Min,
Heavy Metals: 0.0005 % Max,
Arsenic: 0.0001 % Max,
Iron ω/: 0.0020% Max,
Water Insoluble: 0.02 % Max,
pH Value: 4.0 – 4.8.

Applications

It is primarily used in pulp and paper industry. It is used in water treatment as an oxygen scavenger agent , in the photographic industry to protect developer solutions from oxidation, in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent. It is mainly used in medicine, tannage and tanning.

Packing

50lb paper bag , 44 bags per pallet

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