Official EU label nameGlossary entry 20718

PHENYL DIMETHICONE

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

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Resolved identifiers

Resolved substance identity

CAS:9005-12-3

Ingredient index records:

PHENYL DIMETHICONE

Cosmetic functions: ANTIFOAMING, SKIN CONDITIONING

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane; Poly(methyl phenyl siloxane)

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1 matched or reported name

PHENYL DIMETHICONE

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name PHENYL DIMETHICONE.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 9005-12-3

CAS 9005-12-3PubChem CID 3032548

Phenyl Dimethicone

The Expert Panel for Cosmetic Ingredient Safety concluded that the following 7 linear phenyl-substituted methicone ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment, with the exception that the available data are insufficient to make a determination of safety for these ingredients in products that may be incidentally inhaled. — Cosmetic Ingredient Review (CIR)

IUPAC name: methyl-oxo-phenylsilane

Molecular formula: C7H8OSi
Molecular weight: 136.22 g/mol
Exact mass: 136.034441409 Da
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Phenyl simethiconeRefChem:861585POLY(PHENYLMETHYLSILOXANE)METHYL(PHENYL)SILANONEPolyphenylmethylsiloxane, MW 2500-27004543-12-8methylphenylsilanoneC7H8OSi

1 more reported name

methyl-oxo-phenyl-silane

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External database identifiers

EPA DTXSID:DTXSID40963382

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

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 US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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