Ammonium oxalate monohydrate

grade

ACS reagent

vapor pressure

<0.1 hPa ( 20 °C)

Assay

≥99%
99.0-101.0% (ACS specification)

form

crystalline powder
crystals or granules

impurities

≤0.005% insolubles

ign. residue

≤0.02%

pH

6-7 (25 °C 14.2 g/L)

mp

133 °C (dec.) (lit.)

anion traces

chloride (Cl^–): ≤0.002%
sulfate (SO₄^2-): ≤0.002%

cation traces

Fe: ≤2 ppm
heavy metals: ≤5 ppm (by ICP)

SMILES string

OC(C(O)=O)=O.N.O.N

InChI

1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H 3 4)(H 5 6);2*1H3;1H2

InChI key

MSMNVXKYCPHLLN-UHFFFAOYSA-N