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Potassium sulfate, ACS, 99.0% min, Thermo Scientific Chemicals
Chemical Identifiers
| CAS | 7778-80-5 |
|---|---|
| Molecular Formula | K2O4S |
| Molecular Weight (g/mol) | 174.25 |
| MDL Number | MFCD00011388 |
| InChI Key | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
| Synonym | potassium sulfate, dipotassium sulfate, potassium sulphate, sulfuric acid dipotassium salt, sal polychrestum, sulfuric acid, potassium salt, arcanum duplicatum, kalium sulphuricum, caswell no. 702, sulfuric acid, dipotassium salt |
| PubChem CID | 24507 |
| ChEBI | CHEBI:32036 |
| SMILES | [K+].[K+].[O-]S([O-])(=O)=O |
Description
Potassium sulfate is used in the production of fertilizers (i.e. providing potassium and sulfur), potassium alum, potassium carbonate, and glass. In analytical chemistry, it is used in the determination of nitrogen by Kjeldahl method and protein in foodstuffs. Also, it is used in the electrostatic effects on pKa values of amino acid residues in the staphylococcal nuclease. It is used in the separation of protein through electrophoresis and also serves as a laboratory reagent.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Chemical Identifiers
| 7778-80-5 | |
| 174.25 | |
| OTYBMLCTZGSZBG-UHFFFAOYSA-L | |
| 24507 | |
| [K+].[K+].[O-]S([O-])(=O)=O |
| K2O4S | |
| MFCD00011388 | |
| potassium sulfate, dipotassium sulfate, potassium sulphate, sulfuric acid dipotassium salt, sal polychrestum, sulfuric acid, potassium salt, arcanum duplicatum, kalium sulphuricum, caswell no. 702, sulfuric acid, dipotassium salt | |
| CHEBI:32036 |
Specifications
| 1689°C | |
| 7778-80-5 | |
| 99.0% min | |
| MFCD00011388 | |
| Soluble in water. Insoluble in alcoholSoluble in water and glycerol. Insoluble in alcohol,acetate and carbon disulfide. | |
| [K+].[K+].[O-]S([O-])(=O)=O | |
| 174.25 | |
| CHEBI:32036 | |
| ACS Reagent | |
| Potassium sulfate, For ACS analysis |
| 1069°C | |
| Crystalline | |
| K2O4S | |
| potassium sulfate, dipotassium sulfate, potassium sulphate, sulfuric acid dipotassium salt, sal polychrestum, sulfuric acid, potassium salt, arcanum duplicatum, kalium sulphuricum, caswell no. 702, sulfuric acid, dipotassium salt | |
| OTYBMLCTZGSZBG-UHFFFAOYSA-L | |
| dipotassium;sulfate | |
| 24507 | |
| 174.27 | |
| 2.662 g/mL |
Safety and Handling
missing translation for 'dotInformation' : Hazard Class: 9; Packaging Group: III
missing translation for 'einecsNumber' : 231-915-5
missing translation for 'rtecsNumber' : TT5900000
missing translation for 'tsca' : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only