Potassium sulfite
ALDRICH/658510 - 90%
Synonym: dipotassiumsulfite
CAS Number: 10117-38-1
Empirical Formula (Hill Notation): K2O3S
Molecular Weight: 158.26
EC Number: 233-321-1
MDL Number: MFCD00011387
Linear Formula: K2SO3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 658510-1KG
| assay | 90% |
| form | powder |
| InChI | 1S/2K.H2O3S/c;;1-4(2)3/h; |
| InChI key | BHZRJJOHZFYXTO-UHFFFAOYSA |
| Quality Level | 200  |
| SMILES string | [K+].[K+].[O-]S([O-])=O |
| solubility | water: soluble (1,060 g/l at 25 °C (77 °F)) |
| Application: | Potassium sulfite (K2SO3) can be used as a catalyst in the oxidation of sulfur dioxide. It is also used as an anionic catalyst for the cyclotrimerization of aryl isocyanates to prepare heterocyclic symmetrical isocyanurates. |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 25 g in glass bottle |
| Packaging: | 3 kg in poly drum |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 90% |
| UNSPSC | 12352302 |