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CAS 12017-38-8 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.

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InventoryRef 3291615/10/2010

COBALT TITANIUM OXIDE

Dicobalt titanium tetraoxide

COBALT TITANIUM OXIDE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 12017-38-8

CAS 12017-38-8PubChem CID 155491167

Cobalt titanium oxide

IUPAC name: bis(cobalt(2+));tetrakis(oxygen(2-));titanium

Molecular formula: Co2O4Ti-4
Molecular weight: 229.73 g/mol
Exact mass: 229.793986 Da
Topological polar surface area: 4.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 7
Defined stereocentres: 0

Also known as

Dicobalt titanium tetraoxideFINECERA G-N-1CN422GY0TECOBALT TITANATE (CO2TIO4)COBALT TITANATE(IV) (CO2TIO4)RefChem:577913COBALT TITANIUM OXIDE [INCI]234-618-9

2 more reported names

COBALT TITANIUM OXIDE (CO2TIO4)EINECS 234-618-9

Open full PubChem record PubChem annotations 3D structure image

Evidence from additional scientific databases

NIH PubChem PUG-View

Exact identifier match155491167

Attributed physical-property, hazard, environmental and use annotations.

Signal: Danger Source: European Chemicals Agency (ECHA)
GHS Hazard Statements: H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]; H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H334 (100%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]; H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
Precautionary Statement Codes: P233, P260, P261, P264, P264+P265, P271, P272, P280, P284, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P403, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
ECHA C&L Notifications Summary: The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status

Source	Result	Checked
NIH PubChem PUG-View	Exact match	2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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 TITANIUM OXIDE

INCI name

COBALT TITANIUM OXIDE

Description

Dicobalt titanium tetraoxide

Record provenance

Inventory reference: 32916
Imported identity: COBALT TITANIUM OXIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for COBALT TITANIUM OXIDE

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Key data

CAS

12017-38-8

234-618-9

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#7054 · COBALT TITANIUM OXIDE

Ingredients with overlapping formulation functions

CNIDIUM OFFICINALE RHIZOME EXTRACTSKIN CONDITIONING

CNIDIUM OFFICINALE ROOT EXTRACTSKIN CONDITIONING

COBALT DNAANTIOXIDANT, HUMECTANT, SKIN CONDITIONING, SKIN PROTECTING, UV ABSORBER, VISCOSITY CONTROLLING

COBALT GLUCONATESKIN CONDITIONING

COBAMAMIDEANTIOXIDANT, SKIN CONDITIONING, SKIN PROTECTING

COBETIA MARINA FERMENT FILTRATE EXTRACTSKIN CONDITIONING

COBETIA MARINA GLYCOSAMINOGLYCANSHUMECTANT, SKIN CONDITIONING

COBROTOXINSKIN CONDITIONING

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 TITANIUM OXIDE appears in the CosIng inventory

The CosIng inventory lists COBALT TITANIUM OXIDE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

COBALT TITANIUM OXIDE 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 TITANIUM OXIDE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

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

SKIN CONDITIONING

CAS 12017-38-8 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 TITANIUM OXIDE

This page reproduces the CosIng inventory entry for COBALT TITANIUM OXIDE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research COBALT TITANIUM OXIDE 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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