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Properties of Cobalt(II) bromide

Properties of Cobalt(II) bromide (CoBr2):

Compound NameCobalt(II) bromide
Chemical FormulaCoBr2
Molar Mass218.741195 g/mol

Chemical structure
CoBr2 (Cobalt(II) bromide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceBright green crystals (anhydrous) Red-purple crystals (hexahydrate)
Solubility667.0 g/100mL
Density4.9090 g/cm³
Helium 0.0001786
Iridium 22.562
Melting678.00 °C
Helium -270.973
Hafnium carbide 3958

Elemental composition of CoBr2
ElementSymbolAtomic weightAtomsMass percent
CobaltCo58.933195126.9420
BromineBr79.904273.0580
Mass Percent CompositionAtomic Percent Composition
Co: 26.94%Br: 73.06%
Co Cobalt (26.94%)
Br Bromine (73.06%)
Co: 33.33%Br: 66.67%
Co Cobalt (33.33%)
Br Bromine (66.67%)
Mass Percent Composition
Co: 26.94%Br: 73.06%
Co Cobalt (26.94%)
Br Bromine (73.06%)
Atomic Percent Composition
Co: 33.33%Br: 66.67%
Co Cobalt (33.33%)
Br Bromine (66.67%)
Identifiers
CAS Number7789-43-7
SMILES[Co](Br)Br
Hill formulaBr2Co

Related compounds
FormulaCompound name
CoBr3Cobalt(III) bromide

Sample reactions for CoBr2
EquationReaction type
CoBr2 = Co + Br2decomposition
CoBr2 = Co + Brdecomposition
COBr2 + NO = NOBr + COdouble replacement

Related
Molecular weight calculator
Oxidation state calculator

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