Sodium bisulphite, GR
Buy Sodium bisulphite, GR (CAS 7631-90-5) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
About Sodium bisulphite, GR
Zemixal supplies Sodium bisulphite, GR within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (AR), the material is defined by CAS 7631-90-5, formula HNaO3S and molar mass 104.06 g/mol. Typical appearance is white powder or crystalline or crystalline powder.
Where it is used
- Food & flavour applications
- Materials research
Storage and safety notes
Literature values: melting point 150 °C (dec.) and density 1.48 g/cm3. Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 2693.
Available as 500 g, 5 kg, 25 kg and 4 x 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Food & flavour applications
- Materials research
Applications
Grade guides
Specifications and identifiers
| Product name | Sodium bisulphite, GR |
|---|---|
| Catalogue number | ZX-013179 |
| CAS number | 7631-90-5 |
| IUPAC name | sodium hydrogen sulfite |
| Molecular formula | HNaO3S |
| Molar mass | 104.06 g/mol |
| Exact mass | 103.9544 |
| Grade | AR |
| Physical form | Crystalline |
| Appearance | White powder or crystalline or crystalline powder |
| Melting point | 150 °C (dec.) |
| Density | 1.48 g/cm3 |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 79.6 Ų |
| HS code | 28321010 |
| UN number | UN 2693 |
| InChIKey | DWAQJAXMDSEUJJ-UHFFFAOYSA-M |
| SMILES | OS(=O)[O-].[Na+] |
| PubChem CID | 23665763 |
| Synonyms | sodium hydrogensulfite, Monosodium sulfite, Sulfurous acid, monosodium salt, Sodium sulhydrate, Uantax SBS, Hydrogen sodium sulfite, Hydrogen sulfite sodium, Monosodic sulphite, Sodium hydrosulfite(DOT), Bisulfite de sodium, Sodium bisulfite (1:1), Sodium sulfite (NaHSO3) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, 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
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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Other grades with CAS 7631-90-5
- CAS
- 7631-90-5
- Formula
- HNaO3S
- MW
- 104.06 g/mol
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