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CAS 3789-85-3 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 5987115/10/2010

TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE

Benzoic acid, 2-[(trimethylsilyl)oxy]-, trimethylsilyl ester

TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE 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 3789-85-3

CAS 3789-85-3PubChem CID 520871

Trimethylsilyl 2-trimethylsilyloxybenzoate

IUPAC name: trimethylsilyl 2-trimethylsilyloxybenzoate

Molecular formula: C13H22O3Si2
Molecular weight: 282.48 g/mol
Exact mass: 282.11074763 Da
Topological polar surface area: 35.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:1100471Benzoic acid, 2-[(trimethylsilyl)oxy]-, trimethylsilyl estertrimethylsilyl trimethylsiloxy salicylateBenzoic acid, o-(trimethylsiloxy)-, trimethylsilyl esterSalicylic acid (2TMS)Salicylic acid, di-TMSSalicylic acid, bis-TMSTrimethylsilyl 2-[(trimethylsilyl)oxy]benzoate

9 more reported names

Salicylic acid, 2TMS derivativeBENZOIC ACID,2-TRIMETHYLSILOXY,TRIMETHYLSILYL ESTERBenzoic acid, 2-hydroxy, di-TMStrimethylsilyl 2-trimethylsiloxybenzoate2-Hydroxybenzoic acid, di(trimethylsilyl) deriv.Bis(trimethylsilyl) derivative of Salicylic acidTrimethylsilyl 2-[(trimethylsilyl)oxy]benzoate #2-TRIMETHYLSILOXYBENZOIC ACID TRIMETHYLSILYL ESTERInChI=1/C13H22O3Si2/c1-17(2,3)15-12-10-8-7-9-11(12)13(14)16-18(4,5)6/h7-10H,1-6H

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID801021356

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 TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE

INCI name

TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE

Description

Benzoic acid, 2-[(trimethylsilyl)oxy]-, trimethylsilyl ester

Record provenance

Inventory reference: 59871
Imported identity: TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE

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Key data

CAS

3789-85-3

—

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#29322 · TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE

Ingredients with overlapping formulation functions

TRIMETHYLSILYL HYDROLYZED SILK PG-PROPYL METHYLSILANEDIOL CROSSPOLYMERHAIR CONDITIONING, SKIN CONDITIONING

TRIMETHYLSILYL HYDROLYZED WHEAT PROTEIN PG-PROPYL METHYLSILANEDIOL CROSSPOLYMERHAIR CONDITIONING, SKIN CONDITIONING

TRIMETHYLSILYL TRIMETHYLSILOXY GLYCOLATESKIN CONDITIONING

TRIMETHYLSILYL TRIMETHYLSILOXY LACTATESKIN CONDITIONING

TRIMETHYLSILYLAMODIMETHICONEANTISTATIC, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

TRIMYRISTINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRIOCTYLDODECYL CITRATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

TRIOLEINSKIN CONDITIONING, 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 TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE appears in the CosIng inventory

The CosIng inventory lists TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE 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.

TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE 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

TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE 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, TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE carries the following function designation(s):

SKIN CONDITIONING

CAS 3789-85-3 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 TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE

This page reproduces the CosIng inventory entry for TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE 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 TRIMETHYLSILYL TRIMETHYLSILOXY SALICYLATE 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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