What does the restriction note for COBALT CHLORIDE mean?

The restriction field for COBALT CHLORIDE reads: II/453. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 7646-79-9?

CAS 7646-79-9 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains COBALT CHLORIDE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 8499315/10/2010

COBALT CHLORIDE

COBALT CHLORIDE is linked to 1 EU annex record on this page. Inventory note: II/453.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Prohibited entry found Open this evidence	1	English and EU languages
Great Britain	Evidence linked Prohibited Open this evidence	1	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Evidence linked Prohibited Open this evidence	1	English
ASEAN	Evidence linked Prohibited Open this evidence	1	English and national languages
China	Evidence linked Prohibited Open this evidence	1	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Evidence linked Prohibited Open this evidence	1	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Evidence linked Prohibited Open this evidence	1	Portuguese with INCI crosswalks
India	Evidence linked Prohibited Open this evidence	1	English and Hindi
Saudi Arabia	Evidence linked Prohibited Open this evidence	1	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 7646-79-9

CAS 7646-79-9PubChem CID 3032536

Cobalt chloride (cocl2)

Cobalt dichloride is a cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is chloride. It is used as an indicator for water in desiccants. It has a role as a sensitiser, a calcium channel blocker, a two-colour indicator and an allergen. It is a cobalt salt and an inorganic chloride. It contains a cobalt(2+). — ChEBI

IUPAC name: cobalt(2+) dichloride

Molecular formula: Cl2Co
Molecular weight: 129.84 g/mol
Exact mass: 128.870899 Da
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 3
Defined stereocentres: 0

Also known as

DichlorocobaltCobalt dichlorideCOBALTOUS CHLORIDECobalt muriateCobaltous dichlorideCobaltous chloride anhydrousCobalt(2+) chlorideKobalt chlorid

16 more reported names

Cobaltum muriaticumEVS87XF13WCHEBI:35696Cobalt dichloride (cocl2)NSC-51149CoCl(2)RefChem:54867lambda2-cobalt(2+) ion dichlorideTechnetium Tc-99m Exametazime and Cobaltous Chloride231-589-4Cobalt(II)chlorideCOCl2Cobalt chloride1332-82-7cobalt(2+);dichlorideCl2Co

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:35696
EPA DTXSID:DTXSID9040180
PubMed:40490208
PubMed:39615733
PubMed:39241941
PubMed:39197164
PubMed:38981847
PubMed:38727079
PubMed:38296531
PubMed:37301138
PubMed:36739938
PubMed:36260529
PubMed:35504338
PubMed:35248696

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for COBALT CHLORIDE

INCI name

COBALT CHLORIDE

Record provenance

Inventory reference: 84993
Imported identity: COBALT CHLORIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for COBALT CHLORIDE

Annex II Restriction reference

Entry 453

Cobalt dichloride

CAS: 7646-79-9

EC: 231-589-4

Key data

CAS

7646-79-9

231-589-4

Restriction

II/453

Function

NOT REPORTED: No function currently reported.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#7051 · COBALT CHLORIDE

Ingredients with overlapping formulation functions

CITRUS GRANDISNOT REPORTED

CITRUS JUNOS FRUIT POWDERNOT REPORTED

CITRUS NOBILISNOT REPORTED

CITRUS UNSHIU FLOWER WATERNOT REPORTED

COCAMINOPROPYLAMINENOT REPORTED

COFFEA ARABICA SEEDCAKE EXTRACTNOT REPORTED

COUMAROYL NONAPEPTIDE-29NOT REPORTED

CUPRIC SULFIDENOT REPORTED

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How COBALT CHLORIDE appears in the CosIng inventory

The CosIng inventory lists COBALT CHLORIDE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

COBALT CHLORIDE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

COBALT CHLORIDE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for COBALT CHLORIDE reads: "II/453". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, COBALT CHLORIDE carries the following function designation(s):

NOT REPORTED

CAS 7646-79-9 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for COBALT CHLORIDE

This page combines the CosIng inventory entry for COBALT CHLORIDE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research COBALT CHLORIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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