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CAS 9005-12-3

CAS 9005-12-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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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 Ų
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

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

Records for CAS 9005-12-3

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No records found for this CAS number.

How CAS 9005-12-3 is used on this site

CAS 9005-12-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 9005-12-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.