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CAS 1805-22-7 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 7942115/10/2010

PERFLUOROMETHYLCYCLOPENTANE

Cyclopentane, nonafluoro(trifluoromethyl)-

PERFLUOROMETHYLCYCLOPENTANE 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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 1805-22-7

CAS 1805-22-7PubChem CID 74546

Perfluoromethylcyclopentane

IUPAC name: 1,1,2,2,3,3,4,4,5-nonafluoro-5-(trifluoromethyl)cyclopentane

Molecular formula: C6F12
Molecular weight: 300.04 g/mol
Exact mass: 299.9808379 Da
XLogP3: 3.4
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 12
Covalent units: 1
Defined stereocentres: 0

Also known as

Nonafluoro(trifluoromethyl)cyclopentaneCyclopentane, nonafluoro(trifluoromethyl)-FLUTEC PC-1CFIFLOW 508S014W4T75Cyclopentane, 1,1,2,2,3,3,4,4,5-nonafluoro-5-(trifluoromethyl)-PFMe-cyclopentaneRefChem:171666

9 more reported names

217-298-5Perfluoro(methylcyclopentane)1,1,2,2,3,3,4,4,5-Nonafluoro-5-(trifluoromethyl)-cyclopentaneUNII-8S014W4T75EINECS 217-298-5AS-86019perfluoro(methylcyclopentane), AldrichCPRDB-225835(TRIFLUOROMETHYL)PERFLUOROCYCLOPENTANE

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID7061982

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 PERFLUOROMETHYLCYCLOPENTANE

INCI name

PERFLUOROMETHYLCYCLOPENTANE

Description

Cyclopentane, nonafluoro(trifluoromethyl)-

Record provenance

Inventory reference: 79421
Imported identity: PERFLUOROMETHYLCYCLOPENTANE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PERFLUOROMETHYLCYCLOPENTANE

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Key data

CAS

1805-22-7

217-298-5

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.
SOLVENT: Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

#20476 · PERFLUOROMETHYLCYCLOPENTANE

Ingredients with overlapping formulation functions

PERFLUOROCAPRYLYL BROMIDESOLVENT

PERFLUORODECALINDETANGLING, SKIN CONDITIONING, SOLVENT

PERFLUORODIMETHYLCYCLOHEXANESOLVENT

PERFLUOROHEXANESOLVENT

PERFLUOROPERHYDROBENZYL TETRALINSKIN CONDITIONING, SOLVENT

PERFLUOROPERHYDROPHENANTHRENESKIN CONDITIONING, SOLVENT

PERFLUOROTETRALINDETANGLING, SKIN CONDITIONING, SOLVENT

PETROLEUM DISTILLATESANTIFOAMING, SOLVENT

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 PERFLUOROMETHYLCYCLOPENTANE appears in the CosIng inventory

The CosIng inventory lists PERFLUOROMETHYLCYCLOPENTANE 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.

PERFLUOROMETHYLCYCLOPENTANE is also tagged with 2 cosmetic functions 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

PERFLUOROMETHYLCYCLOPENTANE 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, PERFLUOROMETHYLCYCLOPENTANE carries the following function designation(s):

CAS 1805-22-7 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 PERFLUOROMETHYLCYCLOPENTANE

This page reproduces the CosIng inventory entry for PERFLUOROMETHYLCYCLOPENTANE 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 PERFLUOROMETHYLCYCLOPENTANE 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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