Oxalic acid dihydrate

grade

ACS reagent

Quality Level

300

Agency

reag. ISO
reag. Ph. Eur.

vapor pressure

0.000312 hPa ( 25 °C)

product line

EMSURE^®

Assay

99.5-102.0% (manganometric)

form

solid

potency

375 mg/kg LD₅₀ oral (Rat)

impurities

≤50 ppm Insoluble matter

ign. residue

≤100 ppm (as sulfate)

pH

1.5 (10 g/L in H₂O)

bp

149-160 °C/1013 hPa (decomposition)

mp

98-100 °C

transition temp

flash point 157 °C (decomposition)

solubility

>100 g/L

density

1.65 g/cm³ at 20 °C

bulk density

813 kg/m³

anion traces

chloride (Cl^–): ≤5 ppm
sulfate (SO₄^2-): ≤50 ppm

cation traces

Ca: ≤10 ppm
Fe: ≤2 ppm
N: ≤10 ppm
heavy metals: ≤5 ppm
heavy metals (as Pb): ≤5 ppm

storage temp.

2-30°C

InChI

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

InChI key

GEVPUGOOGXGPIO-UHFFFAOYSA-N