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CAS 199876-45-4 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 9325230/11/2015

SILICA CETYL SILYLATE

Silane, hexadecyltrimethoxy-, hydrolysis products with silica

SILICA CETYL SILYLATE 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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Exact external identity check

not_found

No complete-name PubChem match was verified. The material may be a mixture, trade-style INCI identity or be indexed under another identifier; this result must not be read as proof that no related chemistry exists.

Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Inventory details for SILICA CETYL SILYLATE

INCI name

SILICA CETYL SILYLATE

Description

Silane, hexadecyltrimethoxy-, hydrolysis products with silica

Record provenance

Inventory reference: 93252
Imported identity: SILICA CETYL SILYLATE
Source update: 30/11/2015

European Commission CosIng source notes

Annex records for SILICA CETYL SILYLATE

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Key data

CAS

199876-45-4

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Restriction

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Function

VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

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

#26061 · SILICA CETYL SILYLATE

Ingredients with overlapping formulation functions

SHEA BUTTERAMIDE/CASTORAMIDE DEAVISCOSITY CONTROLLING

SHELLACBINDING, FILM FORMING, HAIR FIXING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

SILICAABRASIVE, ABSORBENT, ANTICAKING, BULKING, OPACIFYING, VISCOSITY CONTROLLING

SILICA CAPRYLYL SILYLATEVISCOSITY CONTROLLING

SILICA DIMETHICONE SILYLATEABSORBENT, ANTICAKING, ANTIFOAMING, VISCOSITY CONTROLLING

SILICA DIMETHYL SILYLATEANTICAKING, ANTIFOAMING, EMULSION STABILISING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

SILICA METHACRYLOYLOXYPROPYL SILYLATEVISCOSITY CONTROLLING

SILICA SILYLATEANTICAKING, ANTIFOAMING, BULKING, EMULSION STABILISING, SKIN CONDITIONING, SKIN CONDITIONING - EMOL…

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 SILICA CETYL SILYLATE appears in the CosIng inventory

The CosIng inventory lists SILICA CETYL SILYLATE 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.

SILICA CETYL SILYLATE 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

SILICA CETYL SILYLATE 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, SILICA CETYL SILYLATE carries the following function designation(s):

VISCOSITY CONTROLLING

CAS 199876-45-4 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 SILICA CETYL SILYLATE

This page reproduces the CosIng inventory entry for SILICA CETYL SILYLATE 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 SILICA CETYL SILYLATE 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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Tools & next steps

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