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Sodium Bisulfite (CAS NO : 7631-90-5)

Sodium Bisulfite is a sulfur-based compound used as a reducing agent, antioxidant, and preservative in various industrial, food, and pharmaceutical applications. It effectively prevents oxidation and microbial growth in aqueous systems.

Sodium Bisulfite
Sodium Bisulfite

Sodium Bisulfite is a sulfur-based compound used as a reducing agent, antioxidant, and preservative in various industrial, food, and pharmaceutical applications. It effectively prevents oxidation and microbial growth in aqueous systems.

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Industrial ChemicalsFood & Nutrition

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Inorganic ChemicalsFood Ingredients

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Chemical Properties & Specifications

Applications of Sodium Bisulfite

Water Treatment

Dechlorination and removal of dissolved oxygen.

Food Industry

Preservative for fruits, vegetables, and wine (regulated levels).

Textile & Leather

Used in dyeing processes and as a bleaching agent.

Pharmaceuticals

Stabilizer and antioxidant in formulations.

Chemical Industry

Reducing agent in chemical synthesis.

Have Questions About Sodium Bisulfite?
We've Got Answers.

Primarily as a reducing agent and dechlorination agent in water treatment.

Yes, but strictly regulated—used as a preservative in specific concentrations.

In dry, airtight containers away from moisture and oxidizing agents.

Yes, it oxidizes to sulfate in presence of air.

Technical grade ≥ 98%; food/pharma grades ≥ 99%.

25 kg woven bags, 50 kg drums, custom bulk packaging.

COA, MSDS, Grade-specific certifications (if required).

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