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Kaliumsulfat, ACS, 99.0 % min., Thermo Scientific Chemicals

Artikelnummer. 11347877
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Menge:
500 g
2 kg
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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.

Chemical Identifiers

CAS 7778-80-5
Summenformel K2O4S
Molekulargewicht (g/mol) 174.25
MDL-Nummer MFCD00011388
InChI-Schlüssel 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

Specifications

Siedepunkt 1689°C
Chemischer Name oder Material Potassium sulfate
Schmelzpunkt 1069°C
Namenshinweis For ACS analysis
Physikalische Form Kristallin
Menge 500 g
Prozentgehaltsbereich 99.0% min
Löslichkeitsinformationen Soluble in water. Insoluble in alcoholSoluble in water and glycerol. Insoluble in alcohol,acetate and carbon disulfide.
IUPAC-Name Dikalium, Sulfat
Formelmasse 174.27
Güte ACS-Reagenz
Dichte 2.662 g/mL
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RUO – Research Use Only

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