Calcium sulphite
Buy Calcium sulphite (CAS 10257-55-3) from Zemixal. Request a quote with price, lead time and documents. Purity 98%. Packs from 100 g.
About Calcium sulphite
Researchers and plant chemists source Calcium sulphite from Zemixal for routine and specialised work. Key data (98%): CAS 10257-55-3, formula CaO3S and molar mass 120.14 g/mol. It is described as white powder.
Where it is used
- Materials research
- Chemical synthesis
Storage and safety notes
No GHS classification is recorded for this item, but handle it with normal laboratory care.
Available as 100 g, 500 g, 5 x 1 kg and 4 x 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Specifications and identifiers
| Product name | Calcium sulphite |
|---|---|
| Catalogue number | ZX-013459 |
| CAS number | 10257-55-3 |
| IUPAC name | calcium sulfite |
| Molecular formula | CaO3S |
| Molar mass | 120.14 g/mol |
| Exact mass | 119.9194 |
| Purity / assay | 98% |
| Physical form | Powder |
| Appearance | White powder |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 82.4 Ų |
| HS code | 28332990 |
| InChIKey | GBAOBIBJACZTNA-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)[O-].[Ca+2] |
| PubChem CID | 10154041 |
| Synonyms | Calciumsulfite (6CI), Calcium sulfite (CaSO3) (7CI), Calcium sulfite (1:1), Sulfurous acid, calcium salt (1:1), Sulfurous acid calcium salt (1:1), INS NO.226, INS-226, Calciumsulfite, CaO3S |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 x 1 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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