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Merck
CN

234508

Sigma-Aldrich

Potassium phosphate dibasic

ACS reagent, ≥98%

Synonym(s):

Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

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About This Item

Linear Formula:
K2HPO4
CAS Number:
Molecular Weight:
174.18
EC Number:
MDL number:
UNSPSC Code:
12352300
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grade

ACS reagent

Assay

≥98%

impurities

≤0.001% N compounds
≤0.01% insolubles

loss

≤1.0% loss on drying

pH

8.5-9.6

anion traces

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%
Na: ≤0.05%
heavy metals: ≤5 ppm

SMILES string

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

InChI

1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

ZPWVASYFFYYZEW-UHFFFAOYSA-L

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