A powerful reducing agent used in vat and sulphur dyeing of textiles, as a bleaching agent for pulp, paper, and clays, and as an oxygen scavenger, reductant, and decolouriser in water treatment.
Full specification
- Molecular formula
- Na2O4S2
- Grades
- technicalhigh-puritytechnical 85%technical 88%technical 90%
- Packaging
- 50 kg steel drum · 100 kg steel drum · 1000 kg big bag
- Synonyms
- sodium dithionite · sodium hydrosulfite · sodium hydrosulphite · disodium dithionite · 7775-14-6
- Appearance
- White to light grey crystalline powder
Compliance & regulatory
Region: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
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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