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CAS 167160-55-6

CAS 167160-55-6 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 167160-55-6

CAS 167160-55-6PubChem CID 18674845

Stearyl trisiloxane

IUPAC name: trimethyl-(methyl-octadecyl-trimethylsilyloxysilyl)oxysilane

Molecular formula: C25H58O2Si3
Molecular weight: 475.0 g/mol
Exact mass: 474.37446069 Da
Topological polar surface area: 18.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Stearyl trimethiconeUNII-796MG354ZZTm 181796MG354ZZOCTADECYLHEPTAMETHYLTRISILOXANEBis(trimethylsiloxy)octadecylmethylsilaneRefChem:185428STEARYL TRIMETHICONE [INCI]

4 more reported names

1,1,1,3,5,5,5-Heptamethyl-3-octadecyltrisiloxaneTrisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octadecyl-octadecylheptamethyltrisiloxane,95per centn-Octadecylheptamethyltrisiloxane

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External database identifiers

EPA DTXSID:DTXSID80168238

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 167160-55-6

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How CAS 167160-55-6 is used on this site

CAS 167160-55-6 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 167160-55-6 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.