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Merck
CN

60424

Potassium oxalate monohydrate

BioUltra, ≥99.0% (RT)

Synonym(s):

Ethanedioic acid, Oxalic acid potassium salt

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About This Item

Linear Formula:
(COOK)2 · H2O
CAS Number:
Molecular Weight:
184.23
EC Number:
209-506-8
UNSPSC Code:
12161700
PubChem Substance ID:
Beilstein/REAXYS Number:
3752576
MDL number:
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product line

BioUltra

assay

≥99.0% (RT)

impurities

insoluble matter, passes filter test

pH

7.0-8.5 (25 °C, 1 M in H2O)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg

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: ≤10 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 286 nm in H2O at 1 M

SMILES string

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

InChI

1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2

InChI key

QCPTVXCMROGZOL-UHFFFAOYSA-L

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Other Notes

Anti-coagulant for venous blood samples

Regulatory Information

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M.W. Wintrobe
Clinical Hematology, 3rd Ed. Henry Kimpton, 302-302 (1951)

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