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Merck
CN

60361

Sigma-Aldrich

Potassium bisulfate

puriss. p.a., ≥99.0% (T)

Synonym(s):

Potassium hydrogen sulfate

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About This Item

Linear Formula:
KHSO4
CAS Number:
Molecular Weight:
136.17
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
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grade

puriss. p.a.

Assay

≥99.0% (T)

impurities

≤0.001% total nitrogen (N)

mp

214 °C (lit.)

density

2.32 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤10 mg/kg

cation traces

Ag: ≤5 mg/kg
Al: ≤20 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤20 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: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤20 mg/kg
Tl: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

[K+].OS([O-])(=O)=O

InChI

1S/K.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+1;/p-1

InChI key

CHKVPAROMQMJNQ-UHFFFAOYSA-M

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Other Notes

Reagent for the decomposition of basic metal oxides by fusion

Regulatory Information

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Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)

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