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Properties of CubR2

Properties of CuBr2 (Copper(II) bromide):

Compound NameCopper(II) bromide
Chemical FormulaCuBr2
Molar Mass223.354 g/mol

Chemical structure
CuBr2 (Copper(II) bromide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
Appearancegrayish black crystals deliquescent
Solubility557.0 g/100mL
Density4.7100 g/cm³
Helium 0.0001786
Iridium 22.562
Melting498.00 °C
Helium -270.973
Hafnium carbide 3958
Boiling900.00 °C
Helium -268.928
Tungsten carbide 6000

Alternative Names

Cupric bromide
Copper dibromide
Copper (II) bromide

Elemental composition of CuBr2
ElementSymbolAtomic weightAtomsMass percent
CopperCu63.546128.4508
BromineBr79.904271.5492
Mass Percent CompositionAtomic Percent Composition
Cu: 28.45%Br: 71.55%
Cu Copper (28.45%)
Br Bromine (71.55%)
Cu: 33.33%Br: 66.67%
Cu Copper (33.33%)
Br Bromine (66.67%)
Mass Percent Composition
Cu: 28.45%Br: 71.55%
Cu Copper (28.45%)
Br Bromine (71.55%)
Atomic Percent Composition
Cu: 33.33%Br: 66.67%
Cu Copper (33.33%)
Br Bromine (66.67%)
Identifiers
CAS Number7789-45-9
SMILES[Cu+2].[Br-].[Br-]
Hill formulaBr2Cu

Related compounds
FormulaCompound name
CuBrCopper(i) bromide

Sample reactions for CuBr2
EquationReaction type
Zn + CuBr2 = ZnBr2 + Cusingle replacement
CuBr2 + AlCl3 = CuCl2 + AlBr3double replacement
CuBr2 + NaOH = Cu(OH)2 + NaBrdouble replacement
CuBr2 + Cl2 = CuCl2 + Br2single replacement
Zn + CuBr2 = ZnBr + Cusingle replacement

Related
Molecular weight calculator
Oxidation state calculator

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