14258-49-2

Basic information

• Product Name: oxalic acid, ammonium salt
• Synonyms: oxalic acid, ammonium salt;ETHANEDIOICACID,AMMONIUMSALT;ammonium oxalate [(C2H2O4)(NH3)x];Ethanedioic acid, ammoniumu salt
• CAS NO: 14258-49-2
• Molecular Formula: C2H8N2O4
• Molecular Weight: 124.09592
• EINECS: 238-135-4
• Mol File: 14258-49-2.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 365.1°Cat760mmHg
• Flash Point: 188.8°C
• Appearance: /
• CAS DataBase Reference: oxalic acid, ammonium salt(CAS DataBase Reference)
• NIST Chemistry Reference: oxalic acid, ammonium salt(14258-49-2)
• EPA Substance Registry System: oxalic acid, ammonium salt(14258-49-2)

Safety Data

• Hazardous Substances Data: 14258-49-2(Hazardous Substances Data)

Usage

Chemical Properties

Ammonium oxalate is an odorless, colorless crystalline material or powder.

Potential Exposure

It is used in chemical analysis and to make blueprint paper, explosives; a rust-removal ingredient in metal polishes.

Shipping

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN1759 Corrosive solids, n.o.s., Hazard class: 8; Labels: 8-Corrosive material, Technical Name Required.

Incompatibilities

Ammonium oxalate is a reducing agent and also reacts as a base to neutralize acids and reacts with oxidizers generating carbon dioxide. Incompatible with oxidizers (chlorates, hypochlorite solutions, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides.

InChI:InChI=1/C2H2O4.H3N/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);1H3

Upstream product

• 57-13-6 urea 
• 41886-31-1 diisonitroso acetone 
• 7732-18-5 water 
• 74-90-8 hydrogen cyanide 
• 78-93-3 butanone 
• 542-90-5 ethyl isothiocyanate 
• 473-90-5 acetonedicarboxylic acid 
• 7664-41-7 ammonia 
• 66775-86-8 phenol; compound with oxalic acid 
• 6009-70-7 ammonium oxalate monohydrate 
• 144-62-7 oxalic acid 
• 152071-32-4 methylene blue 
• 64-18-6 formic acid 
• 471-46-5 Oxalamide 

Downstream Products

• 134761-87-8 cobalt(II) oxalate 

Relevant articles and documents

A novel approach to the synthesis of semiorganic ammonium hydrogen oxalate oxalic acid dihydrate single crystal and its characterization

A different approach used in the synthesis of ammonium hydrogen oxalate oxalic acid dihydrate (NH4H3(C4O8)·2H2O) single crystals is presented. The crystals are synthesized using solvent evaporation technique. The analysis of the synthesized NH4H3(C4O8)·2H2O single crystals has been carried out through measurements such as single-crystal X-ray diffraction (SCXRD), powder XRD, UV–Vis and photoluminescence spectroscopy, Fourier transform infrared spectroscopy, thermogravimetric and differential thermal analysis (TG–DTA), Vickers microhardness measurements and?current versus voltage (I–V) characteristics. The evaluation of the molecular structure of the crystals using SCXRD shows that they belong to the triclinic crystal system with space group P-1. The structural properties of the crystals are also evaluated using powder XRD measurements on their finely crushed powder. These measurements corroborate the results of SCXRD and confirm the triclinic system of the crystals. The optical properties like absorbance and emission of these crystals are determined using UV–Vis and photoluminescence spectroscopy, respectively. These measurements show that the crystals exhibit substantial emission in the blue region. The thermal stability and the decomposition mechanism of the crystals is studied using TG–DTA analysis. The mechanical strength of the crystals is determined using Vickers microhardness technique. The photoresponse of the NH4H3(C4O8)·2H2O crystals is analyzed from light-dependent I–V characteristics, and it is observed that the crystals exhibit photoresistive behavior.

Extraction of oxalic acid from solutions of electrolyte mixture

Extraction of oxalic acid with tributyl phosphate and triisoamyl phosphate from solutions of its mixtures with nitric, phosphoric, sulfuric, and hydrochloric acid and with ammonium nitrate and chloride was studied. In the extractability series, oxalic aci