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  7. Potassium sulfate, ACS, 99.0% min

Potassium sulfate, ACS, 99.0% min

Product Code. 11347877
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Product Code. 11347877 Supplier Thermo Scientific Alfa Aesar Supplier No. 014311.36
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Description

CAS: 7778-80-5 | K2O4S | 174.25 g/mol

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.

TRUSTED_SUSTAINABILITY

Kemiska identifierare

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

Specifikationer

Boiling Point 1689°C
Melting Point 1069°C
Physical Form Crystalline
Quantity 500 g
Assay Percent Range 99.0% min
Solubility Information Soluble in water. Insoluble in alcoholSoluble in water and glycerol. Insoluble in alcohol,acetate and carbon disulfide.
IUPAC Name dipotassium;sulfate
Formula Weight 174.27
Grade ACS Reagent
Density 2.662 g/mL
Chemical Name or Material Potassium sulfate, For ACS analysis
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