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InventoryRef 5606315/10/2010

ETHYL PERFLUOROBUTYL ETHER

1-Ethoxy-1,1,2,2,3,3,4,4,4-Nonafluorobutane

ETHYL PERFLUOROBUTYL 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 163702-05-4
CAS 163702-05-4PubChem CID 206000

Ethoxynonafluorobutane

IUPAC name
1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane
Molecular formula
C6H5F9O
Molecular weight
264.09 g/mol
Exact mass
264.01966824 Da
XLogP3
3.7
Topological polar surface area
9.2 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
10
Covalent units
1
Defined stereocentres
0

Also known as

Nonafluorobutyl Ethyl Ether1-(Ethoxy)nonafluorobutaneRefChem:139035Ethyl Nonafluorobutyl EtherEthyl Perfluorobutyl EtherButane, 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluoro-Ethyl Nonafluorobutyl Ether (mixture of isomers)520BW6FQ5U
14 more reported names
Butane, ethoxynonafluoro-Butane,1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluoro-UNII-520BW6FQ5UHFE-7200(perfluorobutoxy)ethane1-ethoxy-nonafluorobutaneNOVEC HFE 7200C4F9OC2H5HFE-569sf2 (7200)AS-75548Novec 7200 3M (TM) Engineered fluidEthoxynonafluorobutane (mixture of isomers)Ethyl Nonafluorobutyl Ether(mixture of isomers)1-Ethoxy-1,1,2,2,3,3,4,4,4-Nonafluoro-Butane
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 ETHYL PERFLUOROBUTYL ETHER

INCI name

ETHYL PERFLUOROBUTYL ETHER

Description

1-Ethoxy-1,1,2,2,3,3,4,4,4-Nonafluorobutane

Record provenance

Inventory reference
56063
Imported identity
ETHYL PERFLUOROBUTYL ETHER
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
163702-05-4
EC
—
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.

#10109 · ETHYL PERFLUOROBUTYL ETHER

Ingredients with overlapping formulation functions

ETHYL GLYCERIN ACETAL LEVULINATESOLVENT
ETHYL HEXANEDIOLSOLVENT
ETHYL LACTATEPERFUMING, SOLVENT
ETHYL LEVULINATESKIN CONDITIONING - EMOLLIENT; SOLVENT
ETHYL PERFLUOROISOBUTYL ETHERSOLVENT
ETHYL PG-ACETAL LEVULINATESOLVENT
ETHYL PYRROLIDONESOLVENT
ETHYLALSOLVENT

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How ETHYL PERFLUOROBUTYL ETHER appears in the CosIng inventory

The CosIng inventory lists ETHYL PERFLUOROBUTYL 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.

ETHYL PERFLUOROBUTYL 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

ETHYL PERFLUOROBUTYL 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, ETHYL PERFLUOROBUTYL ETHER carries the following function designation(s):

CAS 163702-05-4 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 ETHYL PERFLUOROBUTYL ETHER

This page reproduces the CosIng inventory entry for ETHYL PERFLUOROBUTYL 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 ETHYL PERFLUOROBUTYL 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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