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An inorganic reducing agent and preservative. Used as an oxygen scavenger in boiler water treatment, a preservative in food and beverages, and as a bleaching agent in textiles.

Water Treatment ChemicalsFood AdditivesInorganic Chemicals
Water Treatment & ConditioningFood & BeverageTextiles & Leather

Technical specification

Molecular formula
Na2SO3
Grades
foodtechnical
Packaging
25 kg bag · 25 kg drum · 500 kg big bag · 1000 kg big bag
Appearance
White crystalline powder, faint sulfurous odour
Synonyms
E221 · 7757-83-7 · sodium sulphite · disodium sulfite · sulfurous acid disodium salt · natrium sulfite

Compliance & regulatory

Region: TR — Chemotto Kimya Ltd. Şti., İstanbul

  • KKDİK-uyumlu tedarik
  • SEA etiketli

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Notice / consent text versions: 2026-07-13 · 2026-07-13

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