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379743

Sigma-Aldrich

Ammonium oxalate monohydrate

≥99.99% trace metals basis

Synonym(s):

Oxalic acid diammonium salt

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About This Item

Linear Formula:
(NH4)2C2O4 · H2O
CAS Number:
Molecular Weight:
142.11
Beilstein/REAXYS Number:
3759830
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

assay

≥99.99% trace metals basis

form

powder

impurities

≤100.0 ppm Trace Metal Analysis

mp

133 °C (dec.) (lit.)

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

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Related Categories

Application

  • Solubility of the Sodium and Ammonium Salts of Oxalic Acid in Water with Ammonium Sulfate.: This study investigates the solubility properties of ammonium oxalate monohydrate in combination with ammonium sulfate, providing insights useful for various chemical synthesis applications (Buttke et al., 2016).
  • Isolation and Identification of the Coal-Solubilizing Agent Produced by Trametes versicolor.: This research identifies ammonium oxalate monohydrate as a key agent in coal solubilization processes, highlighting its potential in industrial and environmental chemistry (Cohen et al., 1990).

Other Notes

Hydration may vary slightly

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Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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Yuancun Qiao et al.
The journal of physical chemistry letters, 6(14), 2755-2760 (2015-08-13)
Negative linear compressibility (NLC) is a relatively uncommon phenomenon and rarely studied in organic systems. Here we provide the direct evidence of the persistent NLC in organic mineral ammonium oxalate monohydrate under high pressure using synchrotron X-ray powder diffraction, Raman
Electrochemiluminescence as a tool for microscopy at the nanoscale.
Lee A, et al.
Proceedings of SPIE, 13, 13-20 (2004)

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