20th anniversary seal20th anniversary seal20th anniversary seal

Ammonium Oxalate Monohydrate

CAS #:

Linear Formula:

(NH4)2C2O4 • H2O

MDL Number:


EC No.:



(2N) 99% Ammonium Oxalate Monohydrate
Pricing > SDS > Data Sheet >
(3N) 99.9% Ammonium Oxalate Monohydrate
Pricing > SDS > Data Sheet >
(4N) 99.99% Ammonium Oxalate Monohydrate
Pricing > SDS > Data Sheet >
(5N) 99.999% Ammonium Oxalate Monohydrate
Pricing > SDS > Data Sheet >

Ammonium Oxalate Monohydrate Properties (Theoretical)

Compound Formula C2H10N2O5
Molecular Weight 142.11
Appearance White powder
Melting Point 133 °C
Boiling Point N/A
Density 1.5 g/cm3
Solubility in H2O c. 14.2 g/l (20 °C)
pH 6.0 - 7.0 (14.2 g/l, 25 °C)
Exact Mass 142.059 g/mol
Monoisotopic Mass 142.059 g/mol

Ammonium Oxalate Monohydrate Health & Safety Information

Signal Word Warning
Hazard Statements H302+H312
Hazard Codes Xi
Precautionary Statements P301+P312+P330-P302+P352+P312
Transport Information NONH for all modes of transport
WGK Germany 3
GHS Pictograms

About Ammonium Oxalate Monohydrate

Ammonium Oxalate Monohydrate is generally immediately available in most volumes. American Elements manufactures materials to many standard grades when applicable including Mil Spec (military grade), ACS, Reagent and Technical Grades; Food, Agricultural and Pharmaceutical Grades, Optical, Semiconductor, and Electronics Grades, and follows applicable USP, EP/BP, and ASTM testing standards. Most materials can be produced in high and ultra high purity forms (99%, 99.9%, 99.99%, 99.999%, and higher). Standard and custom packaging is available. Additional technical, research and safety (SDS) information is available. Please request a quote above to receive pricing information based on your specifications.

Ammonium Oxalate Monohydrate Synonyms

Oxalic acid diammonium salt monohydrate, Diammonium oxalate monohydrate, Diammonium ethanedioate monohydrate, Di-ammonium oxalate monohydrate, C2H2O4 · 2NH3 · H2O, CAS 14258-49-2

Chemical Identifiers

Linear Formula (NH4)2C2O4 • H2O
MDL Number MFCD00149694
EC No. 238-135-4
Beilstein Registry No. 3759830
Pubchem CID 516808
IUPAC Name diazanium; oxalate; hydrate
SMILES C(=O)(C(=O)[O-])[O-].[NH4+].[NH4+].O
InchI Identifier InChI=1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements

See more Nitrogen products. Nitrogen is a Block P, Group 15, Period 2 element. Its electron configuration is [He]2s22p3. Nitrogen is an odorless, tasteless, colorless and mostly inert gas. It is the seventh most abundant element in the universe and it constitutes 78.09% (by volume) of Earth's atmosphere. Nitrogen was discovered by Daniel Rutherford in 1772.


October 20, 2019
Los Angeles, CA
Each business day American Elements' scientists & engineers post their choice for the most exciting materials science news of the day

Scientists discover unique stretchable conductor - Polymerized Liquid Metal Networks