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01-4870

Sigma-Aldrich

Ammonium oxalate monohydrate

JIS special grade, ≥99.5%

Synonym(s):

Oxalic acid diammonium salt

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About This Item

Linear Formula:
(NH4)2C2O4 · H2O
CAS Number:
6009-70-7
Molecular Weight:
142.11
Beilstein:
3759830
EC Number:
238-135-4
MDL number:
MFCD00149694
UNSPSC Code:
12352302
PubChem Substance ID:
329747302

grade

JIS special grade

Assay

≥99.5%

form

crystalline

availability

available only in Japan

pH

6.0-7.0 (25 °C, 14.2 g/L)

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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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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M. Sato
Phytochemistry, 19, 1939-1939 (1980)
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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