di-Potassium oxalate monohydrate

grade

ACS reagent

Quality Level

300

vapor pressure

<0.1 hPa ( 20 °C)

product line

EMSURE^®

Assay

99.5-101.0% (oxidimetric)

form

solid

potency

660 mg/kg LD₅₀ oral (Rat)

impurities

≤0.01% Insoluble matter

pH

7.0-8.5 (20 °C 50 g/L in H₂O)

mp

>138 °C (decomposition)

solubility

392 g/L (anhydrous substance)

density

2.20 g/cm³ at 20.4 °C

bulk density

700‑1100 kg/m³

anion traces

chloride (Cl^–): ≤0.001%
sulfate (SO₄^2-): ≤0.01%

cation traces

Fe: ≤0.0005%
NH₄⁺: ≤0.002%
Na: ≤0.02%
heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

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