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CAS 210896-25-6 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 5899215/10/2010

PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER

Octane, 8-(1,3-dimethylbutoxy)-1,1,1,2,2,3,3,4,4,5,5,6,6-Tridecafluoro-

PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER 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 210896-25-6

CAS 210896-25-6PubChem CID 10874009

Perfluorohexylethyl dimethylbutyl ether

IUPAC name: 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-8-(4-methylpentan-2-yloxy)octane

Molecular formula: C14H17F13O
Molecular weight: 448.26 g/mol
Exact mass: 448.1071813 Da
XLogP3: 7.0
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 14
Covalent units: 1
Defined stereocentres: 0

Also known as

LN2J86A2N6UNII-LN2J86A2N6(+/-)-Perfluorohexylethyl dimethylbutyl etherPerfluorohexylethyl dimethylbutyl ether, (+/-)-1-(1,3-Dimethylbutoxy)-2-(perfluorohexyl)ethaneOctane, 8-(1,3-dimethylbutoxy)-1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-1H,1H,2H,2H-Perfluorooctyl 1,3-dimethylbutyl etherPerfluorohexylethyl dimethylbutyl ether [INCI]

2 more reported names

f6261,1,1,2,2,3,3,4,4,5,5,6,6-TRIDECAFLUORO-8-[(4-METHYLPENTAN-2-YL)OXY]OCTANE

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID30893366

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 PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER

INCI name

PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER

Description

Octane, 8-(1,3-dimethylbutoxy)-1,1,1,2,2,3,3,4,4,5,5,6,6-Tridecafluoro-

Record provenance

Inventory reference: 58992
Imported identity: PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER

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Key data

CAS

210896-25-6

—

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.

#20472 · PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER

Ingredients with overlapping formulation functions

PERFLUOROBUTYLETHYL DIMETHICONEHAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

PERFLUOROCYCLOHEXYLMETHANOLEMULSION STABILISING, SKIN CONDITIONING

PERFLUORODECALINDETANGLING, SKIN CONDITIONING, SOLVENT

PERFLUOROHEPTANEABSORBENT, ANTICAKING, EMULSION STABILISING, SKIN CONDITIONING

PERFLUOROISOHEXANESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

PERFLUOROMETHYLCYCLOHEXANEABSORBENT, ANTICAKING, BINDING, EMULSION STABILISING, SKIN CONDITIONING

PERFLUOROMETHYLCYCLOPENTANESKIN CONDITIONING, SOLVENT

PERFLUOROMETHYLDECALINABSORBENT, ANTICAKING, BINDING, EMULSION STABILISING, SKIN 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 PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER appears in the CosIng inventory

The CosIng inventory lists PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER 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.

PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER 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

PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER 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, PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER carries the following function designation(s):

SKIN CONDITIONING

CAS 210896-25-6 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 PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER

This page reproduces the CosIng inventory entry for PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER 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 PERFLUOROHEXYLETHYL DIMETHYLBUTYL ETHER 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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