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Merck

1.01190

di-Ammonium oxalate monohydrate

EMPLURA®

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)
UNSPSC Code:
12352107
EC Index Number:
214-202-3
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (manganometric)
Form:
solid
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vapor pressure

<1 hPa ( 20 °C)

Quality Level

product line

EMPLURA®

assay

≥99.0% (manganometric)

form

solid

ign. residue

≤0.1% (as sulfate)

pH

6.5 (20 °C, 41.8 g/L in H2O)

mp

>123 °C (decomposition)

density

1.5 g/cm3 at 20 °C

bulk density

480 kg/m3

anion traces

chloride (Cl-): ≤0.01%, sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.002%, heavy metals (as Pb): ≤0.005%

storage temp.

2-30°C

SMILES string

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

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

Analysis Note

Assay (manganometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.005 %
Fe (Iron): ≤ 0.002 %
Residue on ignition (as sulfate): ≤ 0.1 %

Legal Information

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


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Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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