草酸铵

Description

AMMONIUM OXALATE · CAS 1113-38-8 · C2H2O4.2H3N. UNII 0PB8MO5U0H. Density: 1.5 @25 °C; Decomposition: 70 °C.

Identification

CAS Registry Number	1113-38-8
PubChem CID	14213
Molecular formula	C2H2O4.2H3N
IUPAC name	diazanium;oxalate
UNII (FDA)	0PB8MO5U0H

Computed Descriptors

Molecular Weight	124.10
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	124.04840674
Monoisotopic Mass	124.04840674
Topological Polar Surface Area	82.3
Heavy Atom Count	8
Formal Charge	0
Complexity	60.5

Physical & Chemical Properties

Density	1.5 @25 °C
Decomposition	70 °C

Physical description & handling notes

• Ammonium oxalate is an odorless solid. Sinks and mixes slowly with water. (USCG, 1999)
• Dry Powder
• Water soluble, odorless solid; [CAMEO] Colorless crystals; Exists in anhydrous (1113-38-8) and monohydrate (6009-70-7) forms; The monohydrate is the main commercial form. Also available in 4% solutions and saturated solutions; [CHEMINFO]
• ODOURLESS COLOURLESS CRYSTALLINE POWDER.
• ORTHORHOMBIC CRYSTALS OR GRANULES; ODORLESS; AQ SOLN IS PRACTICALLY NEUTRAL; PH OF 0.1 MOLAR SOLN: 6.4; 1 G SOL IN 20 ML H2O, 2.6 ML BOILING H2O; SLIGHTLY SOL IN ALCOHOL /MONOHYDRATE/
• Solubility in water, g/l at 20 °C: 45 (moderate)

Regulatory Status

GHS notification summary	0.8% (2 / 249)

GHS Hazard Classification

GHS notification summary	0.8% (2 / 249)
Reported hazard statements	H302, H312 (50.6%), H319 (55.8%), H315, H335, H371, H373, H318

Documented Uses

• Used in manufacturing (safety explosives and oxalates), detinning of iron (electrolytic), processing (textiles and leather), metal polishing, rust and scale removing, dyeing, precipitating (rare earths and heavy metals), and analyzing chemicals; [CHEMINFO]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Leather Tanning and Processing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• MFR EXPLOSIVES; ELECTROLYTIC DETINNING OF IRON; IN DYEING, METAL POLISHES; FOR DETECTION & DETERMINATION OF CALCIUM, LEAD, & RARE EARTH METALS; ANALYTICAL CHEMISTRY; MFR OF OXALATES; RUST & SCALE REMOVAL /MONOHYDRATE/
• Oxalic acid and oxalates are abundantly present in many plants, most notably fat hen (lamb's quarters), sorrel, and Oxalis species. The root and/or leaves of rhubarb and buckwheat are listed being high in oxalic acid.[8] Other edible plants that contain significant concentrations of oxalic acid include—in decreasing order—star fruit (carambola), black pepper, parsley, poppy seed, amaranth, spinach, chard, beets, cocoa, chocolate, most nuts, most berries, and beans. (L618)

Synonyms

AMMONIUM OXALATE; 1113-38-8; Diammonium oxalate; Ethanedioic acid diammonium salt; Ethanedioic acid, diammonium salt; Oxalic acid, diammonium salt; 0PB8MO5U0H; Ethanedioic acid, ammonium salt (1:2); CHEBI:91241; DTXSID50889443; UN 2811; UN-2811; RefChem:112189; DTXCID501028696; 214-202-3; diazanium;oxalate

Frequently Asked Questions

What are the CAS number and molecular formula of AMMONIUM OXALATE?

CAS 1113-38-8; molecular formula C2H2O4.2H3N; molecular weight — g/mol.

What other names is AMMONIUM OXALATE known by?

AMMONIUM OXALATE, 1113-38-8, Diammonium oxalate, Ethanedioic acid diammonium salt, Ethanedioic acid, diammonium salt, Oxalic acid, diammonium salt.

Is AMMONIUM OXALATE classified as hazardous?

0.8% of GHS notifications report no hazard classification (2 of 249).

What are the key physical properties of AMMONIUM OXALATE?

Density: 1.5 @25 °C; Decomposition: 70 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.