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1.01192

Supelco

di-Ammonium oxalate monohydrate

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

Synonym(s):

di-Ammonium oxalate monohydrate, Oxalic acid ammonium salt

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About This Item

Linear Formula:
(NH4)2C2O4 · H2O
CAS Number:
Molecular Weight:
124.10 (anhydrous basis)
MDL number:
UNSPSC Code:
12352107
EC Index Number:
214-202-3
NACRES:
NA.21

grade

ACS reagent

Quality Level

agency

reag. ISO
reag. Ph. Eur.

vapor pressure

<1 hPa ( 20 °C)

product line

EMSURE®

assay

99.5-101.0% (manganometric)

form

solid

impurities

≤0.005% Insoluble matter

ign. residue

≤0.02% (as sulfate)

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%

storage temp.

2-30°C

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

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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

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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