12658

Potassium sulfate

meets analytical specification of Ph. Eur., 99-101%

• Linear Formula: K₂SO₄
• CAS Number: 7778-80-5
• Molecular Weight: 174.26
• EC Number: 231-915-5
• MDL number: MFCD00011388
• UNSPSC Code: 12352302
• PubChem Substance ID: 329749798
• Assay: 99-101%
• form: solid
• solubility: boiling water: soluble 1 gm in 4 ml; glycerol: soluble 1 gm in 75 ml; water: soluble 1 gm in 8.3 ml; alcohol: insoluble

Properties

• Quality Level: 200
• Assay: 99-101%
• form: solid
• quality: meets analytical specification of Ph. Eur.
• impurities: acidity or alkalinity, in accordance; residual solvents, complies; ≤0.001% heavy metals (as Pb)
• loss: ≤0.5% loss on drying, 130 °C
• solubility: boiling water: soluble 1 gm in 4 ml; glycerol: soluble 1 gm in 75 ml; water: soluble 1 gm in 8.3 ml; alcohol: insoluble
• anion traces: chloride (Cl^-): ≤20 mg/kg
• cation traces: As: ≤2 mg/kg; Ca: ≤50 mg/kg; Fe: ≤10 mg/kg; Mg: ≤20 mg/kg; Na: ≤100 mg/kg
• suitability: in accordance for appearance of solution
• SMILES string: [K+].[K+].[O-]S([O-])(=O)=O
• InChI: 1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChI key: OTYBMLCTZGSZBG-UHFFFAOYSA-L

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable