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| CAS No.: | 814-91-5 |
|---|---|
| Name: | Cupric oxalate |
| Article Data: | 49 |
| Molecular Structure: | |
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| Formula: | C2CuO4 |
| Molecular Weight: | 157.511 |
| Synonyms: | Copperoxalate (CuC2O4) (6CI);Copper, [ethanedioato(2-)-O,O']-;Oxalic acid,copper(2+) salt (1:1) (8CI); |
| EINECS: | 212-411-4 |
| Density: | 1.28g/cm3 |
| Melting Point: | anhydrous decomposes at ~300 to copper oxide [HAW93] |
| Boiling Point: | 365.1 °C at 760 mmHg |
| Flash Point: | 188.8 °C |
| Solubility: | Insoluble in water |
| Appearance: | odorless bluish-white solid |
| Risk Codes: | 20/21/22 |
| Safety: | 36 |
| Transport Information: | UN 2449 |
| PSA: | 74.60000 |
| LogP: | -0.84690 |
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Chemistry
IUPAC Name: Copper oxalate
Molecular Formula: C2CuO4
Molecular Weight: 151.57 g/mol
Molecular Structure of Copper oxalate (CAS NO.814-91-5):
Flash Point: 188.8 °C
Boiling Point: 365.1 °C at 760 mmHg
Enthalpy of Vaporization: 67.15 kJ/mol
Appearance: Odorless bluish-white solid.
Vapour Pressure: 2.51E-06 mmHg at 25 °C
Water Solubility: insoluble
H-Bond Acceptor: 4
Exact Mass: 150.90926
MonoIsotopic Mass: 150.90926
Topological Polar Surface Area: 80.3
Heavy Atom Count: 7
Canonical SMILES: C(=O)(C(=O)[O-])[O-].[Cu+2]
InChI: InChI=1S/C2H2O4.Cu/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
InChIKey: QYCVHILLJSYYBD-UHFFFAOYSA-L
EINECS: 212-411-4
Product Categories: organic-metal salt.
Uses
Copper oxalate (CAS NO.814-91-5) is used as a catalysts for organic reactions.
Safety Profile
Risk Statements: 20/21/22
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36
S36:Wear suitable protective clothing.
RIDADR: UN 2449
HazardClass: 6.1(b)
PackingGroup: III
Explodes weakly when heated slightly. See also OXALATES and COPPER COMPOUNDS.
Standards and Recommendations
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
Specification
Copper oxalate (CAS NO.814-91-5) is also named as Caswell No. 248A ; Copper oxalate (CuC2O4) ; Copper(II) oxalate ; Cupric oxalate ; Cupric oxalate (1:1) ; EPA Pesticide Chemical Code 023305 ; Ethanedioic acid copper salt ; Ethanedioic acid, copper(2+) salt (1:1) ; HSDB 265 ; NSC 112246 ; NSC 86015 ; Oxalic acid copper(2+) salt (1:1) ; Copper, (ethanedioato(2-)-kappaO1,kappaO2)- . Copper oxalate (CAS NO.814-91-5) is odorless bluish-white solid. Cupric oxalate dissolves in aqueous ammonia and reacts as an acid to neutralize other bases as well. It can serve as a reducing agent in reactions that generate carbon dioxide. Inhalation causes irritation of nose and throat. Ingestion of very large amounts may produce symptoms of oxalate poisoning; watch for edema of the glottis and delayed constriction of esophagus. Contact with eyes causes irritation. It may form toxic carbon monoxide gas in fire.