Sodium Hydrosulphite (Sodium Dithionite)
Sodium Hydrosulphite (Sodium Dithionite) (CAS 7775-14-6) supplier Zemixal. Request a quote with price, lead time and documents.
About Sodium Hydrosulphite (Sodium Dithionite)
Sodium Hydrosulphite (Sodium Dithionite) sits in our industrial Acids, Alkalis & Salts section and ships worldwide from stock or short lead time. Key data (Industrial): CAS 7775-14-6, formula Na2O4S2 and molar mass 174.11 g/mol. Typical appearance is powder.
Use cases we see most often
- pH adjustment
- Chemical processing
- Metal treatment & cleaning
Storage and safety notes
Classified under GHS with signal word Danger and hazard statements H251 and H302. Read the SDS before first use.
Standard pack sizes are 25 kg, 50 kg, 200 kg drum and 1 MT, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- pH adjustment
- Chemical processing
- Metal treatment & cleaning
Applications
Specifications and identifiers
| Product name | Sodium Hydrosulphite (Sodium Dithionite) |
|---|---|
| Catalogue number | ZX-018513 |
| CAS number | 7775-14-6 |
| Molecular formula | Na2O4S2 |
| Molar mass | 174.11 g/mol |
| Exact mass | 173.9033 |
| Grade | Industrial |
| Purity / assay | >99% |
| Physical form | Powder |
| Appearance | Powder |
| H-bond donors / acceptors | 0 / 6 |
| Topological polar surface area | 119 Ų |
| InChIKey | JVBXVOWTABLYPX-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)S(=O)[O-].[Na+].[Na+] |
| PubChem CID | 24489 |
| Synonyms | Sodium dithionite, Sodium hydrosulphite, Vatrolite, Sodium sulfoxylate, Disodium dithionite, Dithionous acid, disodium salt, Burmol, Blankit IN, V-Brite B, Hydrosulfite R Conc, Disodium hydrosulfite, Sodium hydrosulfite (Na2S2O4) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H251Self-heating, may catch fire
- H302Harmful if swallowed
Precautionary statements P235, P264, P270, P280, P301 + P317, P330, P407, P410, P413, P420, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 kg | Quoted on request | |
| 50 kg | Quoted on request | |
| 200 kg drum | Quoted on request | |
| 1 MT | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Sodium Hydrosulphite (Sodium Dithionite)
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Other grades with CAS 7775-14-6
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