Potassium sulphite
Potassium sulphite (CAS 10117-38-1) supplier Zemixal. Request a quote with price, lead time and documents. Purity 85%. Packs from 500 g.
About Potassium sulphite
Researchers and plant chemists source Potassium sulphite from Zemixal for routine and specialised work. For your records (Synthesis), the material is defined by CAS 10117-38-1, formula K2O3S and molar mass 158.26 g/mol. Typical appearance is white to yellowish powder.
Where it is used
- Materials research
- Chemical synthesis
Handling and storage
Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 500 g, 5 kg and 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Specifications and identifiers
| Product name | Potassium sulphite |
|---|---|
| Catalogue number | ZX-013129 |
| CAS number | 10117-38-1 |
| IUPAC name | dipotassium;sulfite |
| Molecular formula | K2O3S |
| Molar mass | 158.26 g/mol |
| Exact mass | 157.8842 |
| Grade | Synthesis |
| Purity / assay | 85% |
| Physical form | Powder |
| Appearance | White to yellowish powder |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 82.4 Ų |
| HS code | 28334000 |
| InChIKey | BHZRJJOHZFYXTO-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)[O-].[K+].[K+] |
| PubChem CID | 24958 |
| Synonyms | Potassium sulfite, Dipotassium sulfite, Sulfurous acid, dipotassium salt, Potassium sulfite (K2SO3), Sulfurous acid, potassium salt, INS NO.225, INS-225, Potassiumsulfite, Sulfurous acid, potassium salt (1:2), Potassium sulfite(IV), Potassium sulfite, 90%, K2O3S |
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
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Potassium sulphite
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Other grades with CAS 10117-38-1
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