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CAS 7399-00-0 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 8578415/10/2010

STEARYL TRIETHOXYSILANE

triethoxyoctadecylsilane

STEARYL TRIETHOXYSILANE 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 7399-00-0

CAS 7399-00-0PubChem CID 81885

Stearyl triethoxysilane

IUPAC name: triethoxy(octadecyl)silane

Molecular formula: C24H52O3Si
Molecular weight: 416.8 g/mol
Exact mass: 416.36857205 Da
Topological polar surface area: 27.7 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Octadecyltriethoxysilanen-OctadecyltriethoxysilaneTriethoxyoctadecylsilanestearyltriethoxysilaneSilane, triethoxyoctadecyl-1VN9P25L8HEINECS 230-995-9RefChem:889181

16 more reported names

STEARYL TRIETHOXYSILANE [INCI]230-995-9octadecyl triethoxysilaneC24H52O3SiOctadecyltriethoxysilane, 95%TriethoxystearylsilaneOctadecyltriethoxysilane, 98%, n-isomer 85% minn-Octadecyltriethoxysilane, AldrichCPROctadecyltriethoxysilane (>90%)UNII-1VN9P25L8HN-Ctadecyltriethoxysilanen-Octodecyltriethoxysilanetriethoxy(octadecyl)silane;Octadecyltriethoxysilane, tech.FS-5024DB-055827

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID90224778
PubMed:22754364
PubMed:22003870
PubMed:21794868
PubMed:20087458
PubMed:19766232
PubMed:19354212
PubMed:19239242
PubMed:17706238
PubMed:17466323
PubMed:17419613
PubMed:17167482
PubMed:16848406

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 STEARYL TRIETHOXYSILANE

INCI name

STEARYL TRIETHOXYSILANE

Description

triethoxyoctadecylsilane

Record provenance

Inventory reference: 85784
Imported identity: STEARYL TRIETHOXYSILANE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for STEARYL TRIETHOXYSILANE

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Key data

CAS

7399-00-0

230-995-9

Restriction

—

Function

BINDING: Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.

Official EU ingredient-name evidence

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

#27869 · STEARYL TRIETHOXYSILANE

Ingredients with overlapping formulation functions

SOY PROTEIN PHTHALATEBINDING, EMULSION STABILISING, HAIR FIXING, HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLL…

SR-(TETRAPEPTIDE-74 HEXAPEPTIDE-40 EXPRESSION VECTOR PMBP-PARALLEL 1 POLYPEPTID…ADHESIVE, ANTIOXIDANT, BINDING, FILM FORMING, SKIN PROTECTING

STARCH/ACRYLATES/ACRYLAMIDE COPOLYMERBINDING, FILM FORMING, VISCOSITY CONTROLLING

STEARYL PALMITATEBINDING, HAIR CONDITIONING, HUMECTANT, LIGHT STABILIZER, OPACIFYING, SKIN CONDITIONING, SURFACTANT …

STERCULIA URENS GUMBINDING, EMULSION STABILISING, FRAGRANCE, HAIR FIXING, VISCOSITY CONTROLLING

STYRENE/ACRYLATES COPOLYMER/POLYURETHANEBINDING, FILM FORMING, PLASTICISER

STYRENE/MA COPOLYMERBINDING, EMULSION STABILISING, FILM FORMING

STYRENE/METHYLSTYRENE COPOLYMERBINDING, DEPILATORY

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 STEARYL TRIETHOXYSILANE appears in the CosIng inventory

The CosIng inventory lists STEARYL TRIETHOXYSILANE 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.

STEARYL TRIETHOXYSILANE 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

STEARYL TRIETHOXYSILANE 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, STEARYL TRIETHOXYSILANE carries the following function designation(s):

BINDING

CAS 7399-00-0 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 STEARYL TRIETHOXYSILANE

This page reproduces the CosIng inventory entry for STEARYL TRIETHOXYSILANE 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 STEARYL TRIETHOXYSILANE 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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