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CAS 17928-28-8

CAS 17928-28-8 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 17928-28-8
CAS 17928-28-8PubChem CID 28838

Methyltris(trimethylsiloxy)silane

Methyltris(trimethylsiloxy)silane is a clear colorless liquid. (NTP, 1992) — CAMEO Chemicals

IUPAC name
trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane
Molecular formula
C10H30O3Si4
Molecular weight
310.68 g/mol
Exact mass
310.12720095 Da
Topological polar surface area
27.7 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Methyl trimethicone1,1,1,3,5,5,5-Heptamethyl-3-((trimethylsilyl)oxy)trisiloxanemethyl tris(trimethylsiloxy)silaneTrisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxaneUNII-S73ZQI0GXMS73ZQI0GXMEINECS 241-867-7
16 more reported names
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-((trimethylsilyl)oxy)-tris(trimethylsiloxy)methylsilaneTMF-1.5EC 241-867-7Methyl tris-(trimethylsilyloxy)silaneRefChem:158355METHYL TRIMETHICONE [INCI]RGMZNZABJYWAEC-UHFFFAOYSA-N1,1,1,3,5,5,5-heptamethyl-3-trimethylsilanyloxy-trisiloxaneTrisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-(trimethylsiloxy)-CHEBI:1443421,1,1,3,5,5,5-HEPTAMETHYL-3-(TRIMETHYLSILOXY)TRISILOXANEFS-38552,2,4,6,6-pentamethyl-4-[(trimethylsilyl)oxy]-3,5-dioxa-2,4,6-trisilaheptaneDB-044358H1612
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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 17928-28-8

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How CAS 17928-28-8 is used on this site

CAS 17928-28-8 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 17928-28-8 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.