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CAS 83048-65-1 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 5908515/10/2010

PERFLUOROOCTYLETHYL TRIMETHOXYSILANE

Silane, trimethoxy(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-

PERFLUOROOCTYLETHYL TRIMETHOXYSILANE 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 83048-65-1

CAS 83048-65-1PubChem CID 2782918

Silane, (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)trimethoxy-

IUPAC name: 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl(trimethoxy)silane

Molecular formula: C13H13F17O3Si
Molecular weight: 568.30 g/mol
Exact mass: 568.0362496 Da
Topological polar surface area: 27.7 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 20
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:8851121H,1H,2H,2H-Perfluorodecyltrimethoxysilane(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)trimethoxysilane(HEPTADECAFLUORO-1,1,2,2-TETRAHYDRODECYL)TRIMETHOXYSILANETrimethoxy(1H,1H,2H,2H-heptadecafluorodecyl)silaneTrimethoxy(1H,1H,2H,2H-perfluorodecyl)silane1H,1H,2H,2H-HeptadecafluorodecyltrimethoxysilaneC13H13F17O3Si

9 more reported names

(1H,1H,2H,2H-Heptadecafluorodec-1-yl)(trimethoxy)silane8:2 fluorotelomer trimethylsilianeCS-W008470CS-17330(1H,1H,2H,2H-Perfluorodecyl)trimethoxysilane1,1,2,2-Tetrahydroperfluorodecyltrimethoxysilane1H,1H,2H,2H-Perfluorodecyltrimethoxysilane, 97%1H,1H,2H,2H-Perfluorodecyltrimethoxysilane, AldrichCPR(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecyl)tri(methoxy)silane

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID7072884
PubMed:18714964
PubMed:17637012
PubMed:17295520

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 PERFLUOROOCTYLETHYL TRIMETHOXYSILANE

INCI name

PERFLUOROOCTYLETHYL TRIMETHOXYSILANE

Description

Silane, trimethoxy(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-

Record provenance

Inventory reference: 59085
Imported identity: PERFLUOROOCTYLETHYL TRIMETHOXYSILANE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PERFLUOROOCTYLETHYL TRIMETHOXYSILANE

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Key data

CAS

83048-65-1

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Restriction

—

Function

BULKING: Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic products.

Official EU ingredient-name evidence

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

#20494 · PERFLUOROOCTYLETHYL TRIMETHOXYSILANE

Ingredients with overlapping formulation functions

ORYZA SATIVA POWDERBULKING

ORYZA SATIVA STARCHABSORBENT, BINDING, BULKING, VISCOSITY CONTROLLING

PANICUM MILIACEUM SEED FLOURABSORBENT, BULKING

PEGMATITEABRASIVE, ABSORBENT, ANTIMICROBIAL, BULKING, SKIN CONDITIONING

PERLITEABSORBENT, BULKING

PHASEOLUS RADIATUS SEED STARCHABRASIVE, BULKING

POLYDEXTROSEBULKING, HUMECTANT

POLYESTER-12BULKING

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 PERFLUOROOCTYLETHYL TRIMETHOXYSILANE appears in the CosIng inventory

The CosIng inventory lists PERFLUOROOCTYLETHYL TRIMETHOXYSILANE 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.

PERFLUOROOCTYLETHYL TRIMETHOXYSILANE 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

PERFLUOROOCTYLETHYL TRIMETHOXYSILANE 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, PERFLUOROOCTYLETHYL TRIMETHOXYSILANE carries the following function designation(s):

BULKING

CAS 83048-65-1 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 PERFLUOROOCTYLETHYL TRIMETHOXYSILANE

This page reproduces the CosIng inventory entry for PERFLUOROOCTYLETHYL TRIMETHOXYSILANE 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 PERFLUOROOCTYLETHYL TRIMETHOXYSILANE 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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