Cupric oxalate

Cupric oxalate Basic information
Product Name:Cupric oxalate
Synonyms:Copperoxalatehemihydratebluepowder;Cupric oxalate;Cupric oxalate (1:1);Nsc86015;Kupfer(II)-oxalat;Copper(Ⅱ)oxalate hemihydrate;Copper(II) oxalate hydrate;coppergluconatechelate
CAS:814-91-5
MF:C2CuO4
MW:151.56
EINECS:212-411-4
Product Categories:salt of an organic acid;Organic-metal salt
Mol File:814-91-5.mol
Cupric oxalate Structure
Cupric oxalate Chemical Properties
Melting point anhydrous decomposes at ~300 to copper oxide [HAW93]
storage temp. Refrigerator, under inert atmosphere
solubility Aqueous Base (Slightly)
form Powder
color blue
Water Solubility insoluble
Solubility Product Constant (Ksp)pKsp: 9.35
CAS DataBase Reference814-91-5(CAS DataBase Reference)
EPA Substance Registry SystemCupric oxalate (814-91-5)
Safety Information
Risk Statements 20/21/22
Safety Statements 36
RIDADR UN 2449
HazardClass 6.1(b)
PackingGroup III
Hazardous Substances Data814-91-5(Hazardous Substances Data)
MSDS Information
Cupric oxalate Usage And Synthesis
Chemical PropertiesCupric oxalate is a bluish-white, odorless powder.
UsesAs catalyst for organic reactions; as stabilizer for acetylated polyformaldehyde; in anticaries compositions; in seed treatments to repel birds and rodents.
PreparationCopper(II) oxalate can be prepared by reaction of sodium oxalate with copper(II) salt solutions. Copper(II) oxalate is used as a catalyst in organic reactions and as a stabilizer for acetylated polyformaldehyde.
General DescriptionOdorless bluish-white solid. Denser than water and insoluble in water. Hence sinks in water. Used as a catalysts for organic reactions.
Air & Water ReactionsInsoluble in water.
Reactivity ProfileCupric oxalate dissolves in aqueous ammonia and reacts as an acid to neutralize other bases as well. Can serve as a reducing agent in reactions that generate carbon dioxide.
HazardToxic by ingestion; tissue irritant.
Health HazardInhalation 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.
Fire HazardSpecial Hazards of Combustion Products: Toxic carbon monoxide gas may form in fire.
Potential ExposureUsed as a catalyst for organic reactions and in seed treatment as a repellent for birds and rodents.
ShippingUN2775, Copper based pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
IncompatibilitiesExplosive materials are formed on contact with acetylene gas, ammonia, caustic solutions; sodium hypobromite, nitromethane. Slight heating can cause a weak explosion. Cupric oxalate dissolves in aqueous ammonia and reacts as an acid to neutralize other bases as well. Can serve as a reducing agent in reactions that generate carbon dioxide. Incompatible with oxidizers (chlorates, 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.
Cupric oxalate Preparation Products And Raw materials
Cupric tartrate NICKEL OXALATE DIHYDRATE Cupric acetate monohydrate Sulfurous Acid Potassium superoxide Stannous oxalate METHYL GREEN Ferrous oxalate Cupric oxalate ,Cupric oxalate hemihydrate Dimethyl oxalate Copper Shikimic acid Basic Green 4 Ammonium oxalate monohydrate Copper wire Calcium oxalate Copper(II) sulfate Cupric oxalate

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