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1.01192 Supelco

di-Ammonium oxalate monohydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym: Oxalic acid ammonium salt, di-Ammonium oxalate monohydrate

  • CAS Number 6009-70-7

  • Linear Formula (NH4)2C2O4 · H2O

  • Molecular Weight 124.10 (anhydrous basis)

  •  MDL number MFCD00149694

  •  EC Index Number 214-202-3

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Properties

Quality Level   300
grade   ACS reagent
Agency/Method   reag. ISO
  reag. Ph. Eur.
vapor pressure   <1 hPa ( 20 °C)
assay   99.5-101.0% (manganometric)
form   solid
pH   6.5 (20 °C, 41.8 g/L in H2O)
mp   >123 °C (decomposition)
solubility   41.8 g/L (anhydrous substance)
density   1.5 g/cm3 at 20 °C
bulk density   480 kg/m3
anion traces   chloride (Cl-): ≤0.0005%
  nitrate (NO3-): ≤0.002%
  sulfate (SO42-): ≤0.002%
cation traces   Ca: ≤ 0.001%
  Fe: ≤ 0.0002%
  K: ≤ 0.001%
  Mg: ≤ 0.001%
  Na: ≤ 0.001%
  heavy metals (as Pb): ≤ 0.0005%
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
storage conditions   Store at +5°C to +30°C.

Description

Linkage

Replaces: AX1325; AX1325-2; AX1325-20; AX1325-1

Analysis Note

Assay (manganometric): 99.5 - 101.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0002 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.001 %
Residue on ignition (as sulfate): ≤ 0.02 %
Corresponds to ACS,ISO,Reag. Ph Eur

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