Statements (48)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
blue (anhydrous), pink (hexahydrate)
|
| gptkbp:boilingPoint |
1049 °C (anhydrous)
|
| gptkbp:CASNumber |
7646-79-9
|
| gptkbp:category |
chlorides
cobalt compounds transition metal halides |
| gptkbp:chemicalFormula |
CoCl2
|
| gptkbp:color |
blue when anhydrous, pink when hydrated
|
| gptkbp:cookingMethod |
reaction of cobalt(II) carbonate with hydrochloric acid
reaction of cobalt metal with hydrochloric acid |
| gptkbp:crystalSystem |
cadmium chloride type (anhydrous)
monoclinic (hexahydrate) |
| gptkbp:decomposition |
forms cobalt(II) oxide and chlorine gas at high temperature
|
| gptkbp:density |
1.92 g/cm³ (hexahydrate)
3.36 g/cm³ (anhydrous) |
| gptkbp:EC_number |
231-589-4
|
| gptkbp:GHSClassification |
skull and crossbones
exclamation mark health hazard |
| https://www.w3.org/2000/01/rdf-schema#label |
cobalt(II) chloride
|
| gptkbp:hydration_states |
dihydrate
hexahydrate anhydrous |
| gptkbp:IUPACName |
gptkb:cobalt(II)_chloride
|
| gptkbp:magnetic_property |
paramagnetic
|
| gptkbp:meltingPoint |
735 °C (anhydrous)
|
| gptkbp:molecularWeight |
129.839 g/mol (anhydrous)
237.93 g/mol (hexahydrate) |
| gptkbp:oxidation_state_of_cobalt |
+2
|
| gptkbp:PubChem_CID |
24288
|
| gptkbp:relatedTo |
gptkb:nickel(II)_chloride
gptkb:copper(II)_chloride cobalt(III) chloride |
| gptkbp:riskFactor |
toxic
irritant carcinogenic |
| gptkbp:solubility |
soluble in ethanol
soluble in acetone very soluble |
| gptkbp:UNNumber |
3288
|
| gptkbp:uses |
desiccant
invisible ink electroplating humidity indicator precursor to other cobalt compounds |
| gptkbp:bfsParent |
gptkb:IUPAC_nomenclature
|
| gptkbp:bfsLayer |
6
|