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Key Documents

60589

Supelco

Potassium tetraoxalate dihydrate

BioUltra, ≥99.5% (RT)

Synonym(s):

Oxalic acid hemipotassium salt

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About This Item

Linear Formula:
KH3(C2O4)2 · 2H2O
CAS Number:
Molecular Weight:
254.19
Beilstein:
3854419
EC Number:
MDL number:
UNSPSC Code:
12000000
PubChem Substance ID:
Pricing and availability is not currently available.

product line

BioUltra

Assay

≥99.5% (RT)

impurities

insoluble matter, passes filter test

pH

1.0-2.5 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤10 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 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
NH4+: ≤50 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

cut-off at 289 nm in H2O at 0.1 M

SMILES string

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

InChI

1S/2C2H2O4.K.2H2O/c2*3-1(4)2(5)6;;;/h2*(H,3,4)(H,5,6);;2*1H2/q;;+1;;/p-1

InChI key

KPFHSTZUXXJAES-UHFFFAOYSA-M

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Other Notes

Secondary standard buffer[1]

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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Data for Biochemical Research, 423-423 (1986)

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