Chloropentamminecobalt chloride

Pentaamminechlorocobalt(III) chloride
Names
	IUPAC name Pentaamminechloridocobalt(III) chloride
	Other names Pentaamminechlorocobalt(III) chloride
Identifiers
CAS Number	13859-51-3;
3D model (JSmol)	Interactive image;
ChemSpider	140421;
ECHA InfoCard	100.034.163
EC Number	237-594-8;
PubChem CID	15771825;
CompTox Dashboard (EPA)	DTXSID701030463 ;
	SMILES [Cl-].Cl[Co-3]([NH3+])([NH3+])([NH3+])([NH3+])[NH3+].[Cl-];
Properties
Chemical formula	[Co(NH3)5Cl]Cl2
Molar mass	250.4 g/mol
Appearance	red-violet rhomb-shaped crystal
Density	1.783 g/mL
Boiling point	N/A
Solubility in water	0.4 g/100 mL
Vapor pressure	5990 mm Hg
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	-1037.6 kJ/mol
Gibbs free energy (ΔfG⦵)	−606.48 kJ/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chloropentamminecobalt chloride is the dichloride salt of the coordination complex [Co(NH₃)₅Cl]²⁺. It is a red-violet, diamagnetic, water-soluble salt. The compound has been of academic and historical interest.