Hexaamminecobalt(III) chloride
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Hexaamminecobalt(III) chloride is the chemical compound with the formula [Co(NH3)6]Cl3. It is the chloride salt of the coordination complex [Co(NH3)6]3+, which is considered an archetypal "Werner complex", named after the pioneer of coordination chemistry, Alfred Werner. The cation itself is a metal ammine complex with six ammonia ligands attached to the cobalt(III) ion.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Hexaamminecobalt(III) chloride | |
Other names
Cobalt hexammine chloride, hexaamminecobalt(III) chloride | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.030.991 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
H18N6Cl3Co | |
Molar mass | 267.48 g/mol |
Appearance | yellow or orange crystals |
Density | 1.71 g/cm3, |
Melting point | decomposes |
0.26 M (20 °C) tribromide: 0.04 M (18 °C) | |
Solubility | soluble in NH3 |
Structure | |
octahedral | |
0 D | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
poison |
GHS labelling: | |
Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Related compounds | |
Other anions |
[Co(NH3)6]Br3 [Co(NH3)6](OAc)3 |
Other cations |
[Cr(NH3)6]Cl3 [Ni(NH3)6]Cl2 |
Related compounds |
[Co(H2NCH2CH2NH2)3]Cl3 [Co(NH3)5(H2O)]Cl3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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