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Properties of MnCl2

Properties of MnCl2 (Manganese(II) chloride):

Compound NameManganese(II) chloride
Chemical FormulaMnCl2
Molar Mass125.844045 g/mol

Chemical structure
MnCl2 (Manganese(II) chloride) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
Appearancepink solid (tetrahydrate)
Solubility634.0 g/100mL
Density2.9770 g/cm³
Helium 0.0001786
Iridium 22.562
Melting654.00 °C
Helium -270.973
Hafnium carbide 3958
Boiling1,225.00 °C
Helium -268.928
Tungsten carbide 6000

Alternative Names

Manganous chloride
hyperchloride of manganese
Manganese dichloride

Elemental composition of MnCl2
ElementSymbolAtomic weightAtomsMass percent
ManganeseMn54.938045143.6557
ChlorineCl35.453256.3443
Mass Percent CompositionAtomic Percent Composition
Mn: 43.66%Cl: 56.34%
Mn Manganese (43.66%)
Cl Chlorine (56.34%)
Mn: 33.33%Cl: 66.67%
Mn Manganese (33.33%)
Cl Chlorine (66.67%)
Mass Percent Composition
Mn: 43.66%Cl: 56.34%
Mn Manganese (43.66%)
Cl Chlorine (56.34%)
Atomic Percent Composition
Mn: 33.33%Cl: 66.67%
Mn Manganese (33.33%)
Cl Chlorine (66.67%)
Identifiers
CAS Number7773-01-5
SMILES[Mn+2].[Cl-].[Cl-]
SMILESCl[Mn-4]([OH2+])(Cl)([OH2+])([OH2+])[OH2+]
Hill formulaCl2Mn

Related compounds
FormulaCompound name
MnCl3Manganese(III) chloride

Sample reactions for MnCl2
EquationReaction type
MnCl2 + Al = Mn + AlCl3single replacement
Na3PO4 + MnCl2 = NaCl + Mn3(PO4)2double replacement
H2S + MnCl2 = MnS + HCldouble replacement
Na2CO3 + MnCl2 = NaCl + MnCO3double replacement
MnCl2 + NaOH = Mn(OH)2 + NaCldouble replacement

Related
Molecular weight calculator
Oxidation state calculator

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