Chemical substance record

Cobalt chloride hexahydrate

7791-13-1₂Cl.Co.₆H₂O237.929 g/mol

Salt and Compound WithChEBI source record

A hydrate of cobalt chloride containing cobalt (in +2 oxidation state), chloride and water moieties in the ratio 1:2:6. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values

CAS number	7791-13-1	ChEBI ↗
Molecular formula	₂Cl.Co.₆H₂O	ChEBI ↗
Molar mass	237.929 g/mol	ChEBI ↗
Monoisotopic mass	236.93429 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:53503	ChEBI ↗

Names & structural identifiers

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Source preferred name

cobalt chloride hexahydrate

IUPAC name

cobalt(2+) dichloride hexahydrate

InChIKey

GFHNAMRJFCEERV-UHFFFAOYSA-L

SMILES

O.O.O.O.O.O.[Cl-].[Cl-].[Co+2]

InChI

InChI=1S/2ClH.Co.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

Names & synonyms

cobalt(2+) dichloride hexahydrateCobalt(II) chloride--water (1/7)

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

hydrateChEBI parent class · 35505 ↗

hydrate

Roles recorded in ChEBI

allergen

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass

Amount

Input unit

Equivalent amount

0.00420293 mol

Uses 237.929 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Research & patent references

Selected source associations

HLA-DP allele-specific T cell responses to beryllium account for DP-associated susceptibility to chronic beryllium disease. ↗Journal of immunology (Baltimore, Md. : 1950) · 2001 Mar 1 · PMID 11207315

Fractionation of hydrogen isotopes between crystalline hydrates and saturated solution of cobalt dichloride. ↗Isotopes in environmental and health studies · 2006 Sep · PMID 16870561

CN101077120 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:53503

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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