Potassium sulfate
SIGMA/60528 - BioUltra, ≥99.0% (AT)
Synonym: Dipotassium sulfate; Potassium sulphate; Sulphate of potash
CAS Number: 7778-80-5
Empirical Formula (Hill Notation): K2O4S
Molecular Weight: 174.26
EC Number: 231-915-5
MDL Number: MFCD00011388
Linear Formula: K2SO4
Product Type: Chemical
λ | 0.5 M in H2O |
anion traces | chloride (Cl-): ≤5 mg/kg |
phosphate (PO43-): ≤10 mg/kg | |
assay | ≥99.0% (AT) |
cation traces | Al: ≤5 mg/kg |
As: ≤0.1 mg/kg | |
Ba: ≤5 mg/kg | |
Bi: ≤5 mg/kg | |
Ca: ≤50 mg/kg | |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
Li: ≤5 mg/kg | |
Mg: ≤20 mg/kg | |
Mn: ≤5 mg/kg | |
Mo: ≤5 mg/kg | |
Na: ≤50 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Sr: ≤50 mg/kg | |
Zn: ≤5 mg/kg | |
form | solid |
impurities | insoluble matter, passes filter test |
≤0.0005% total nitrogen (N) | |
InChI | 1S/2K.H2O4S/c;;1-5(2,3)4/ |
InChI key | OTYBMLCTZGSZBG-UHFFFAOYSA |
pH | 5.5-7.5 (25 °C, 0.5 M in H2O) |
product line | BioUltra |
Quality Level | 200 |
SMILES string | [K+].[K+].[O-]S([O-])(=O) |
solubility | H2O: 0.5 M at 20 °C, clear, colorless |
UV absorption | λ: 260 nm Amax: 0.01 |
λ: 280 nm Amax: 0.01 |
Application: |
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Other Notes: | Component of Pseudomonas Selective Agar Base, and Pseudomonas Agar P Base. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (AT) |
UNSPSC | 12352302 |