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CAS 138495-42-8 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 9017627/08/2013

DECAFLUOROPENTANE

Pentane, 1,1,1,2,2,3,4,5,5,5-decafluoro-

DECAFLUOROPENTANE 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 138495-42-8

CAS 138495-42-8PubChem CID 86240

1,1,1,2,2,3,4,5,5,5-Decafluoropentane

IUPAC name: 1,1,1,2,2,3,4,5,5,5-decafluoropentane

Molecular formula: C5H2F10
Molecular weight: 252.05 g/mol
Exact mass: 251.99968168 Da
XLogP3: 3.9
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 10
Covalent units: 1
Defined stereocentres: 0

Also known as

2H,3H-DecafluoropentaneVertrel XFPentane, 1,1,1,2,2,3,4,5,5,5-decafluoro-HFC-4310mee43-10meeR 4310RefChem:70819604-080-3

14 more reported names

2H,3H-Perfluoropentane1,1,1,2,3,4,4,5,5,5-Decafluoropentane2,3-DihydroperfluoropentaneHFC-43-10meeC5H2F102,3-dihydrodecafluoropentaneUNII-MC53096Z2MHSDB 8303AS-64473DB-042429D26691,1,1,2,2,3,4,5,5,5- Decafluoropentane1,1,1,2,2,3,4,5,5,5-Decafluoropentane Solution in Methanol, 1000ug/mL1,1,1,2,2,3,4,5,5,5-Decafluoropentane Solution in Methanol, 100ug/mL

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID30869884
PubMed:22881436
PubMed:19995596
PubMed:19402688
PubMed:18601989
PubMed:18459053
PubMed:18416935
PubMed:17103336
PubMed:17014104
PubMed:16259769
PubMed:16102928
PubMed:16102252
PubMed:16075098

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 DECAFLUOROPENTANE

INCI name

DECAFLUOROPENTANE

Description

Pentane, 1,1,1,2,2,3,4,5,5,5-decafluoro-

Record provenance

Inventory reference: 90176
Imported identity: DECAFLUOROPENTANE
Source update: 27/08/2013

European Commission CosIng source notes

Annex records for DECAFLUOROPENTANE

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Key data

CAS

138495-42-8

—

Restriction

—

Function

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.

#8115 · DECAFLUOROPENTANE

Ingredients with overlapping formulation functions

CYCLOMETHICONEHAIR CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

CYCLOPENTASILOXANEHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

CYCLOTETRASILOXANEHAIR CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

CYCLOTRISILOXANEHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

DECANEFRAGRANCE, PLASTICISER, SOLVENT, VISCOSITY CONTROLLING

DECARBOXY ROSINSOLVENT

DECENESOLVENT, VISCOSITY CONTROLLING

DEODORIZED KEROSENESOLVENT, VISCOSITY CONTROLLING

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 DECAFLUOROPENTANE appears in the CosIng inventory

The CosIng inventory lists DECAFLUOROPENTANE 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.

DECAFLUOROPENTANE 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

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

SOLVENT

CAS 138495-42-8 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 DECAFLUOROPENTANE

This page reproduces the CosIng inventory entry for DECAFLUOROPENTANE 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 DECAFLUOROPENTANE 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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