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.
Full 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: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
- Cosmetics Regulation 1223/2009
REACH REACHRegistration, Evaluation, Authorisation and Restriction of Chemicals — the EU chemicals regulation (EC 1907/2006). CLP CLPClassification, Labelling and Packaging — the EU regulation (EC 1272/2008) for hazard communication. SVHC SVHCSubstance of Very High Concern — flagged on the REACH Candidate List for possible authorisation or restriction.
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