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CAS 18027-45-7

CAS 18027-45-7 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 18027-45-7

CAS 18027-45-7PubChem CID 6335366

Phenyltris(dimethylsiloxy)silane

Molecular formula: C12H23O3Si4
Molecular weight: 327.65 g/mol
Exact mass: 327.07242573 Da
Topological polar surface area: 27.7 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Tris(dimethylsiloxy)phenylsilane3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxaneTrisiloxane, 3-[(dimethylsilyl)oxy]-1,1,5,5-tetramethyl-3-phenyl-Trisiloxane, 3-((dimethylsilyl)oxy)-1,1,5,5-tetramethyl-3-phenyl-phenyltris(dimethylsilyloxy)silaneEINECS 241-940-3Tris(dimethylsilyloxy)phenylsilaneLS-14153

3 more reported names

DB-044392CS-0158125D3762

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External database identifiers

EPA DTXSID:DTXSID70884793

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 18027-45-7

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How CAS 18027-45-7 is used on this site

CAS 18027-45-7 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 18027-45-7 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.