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CAS 2116-84-9

CAS 2116-84-9 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 2116-84-9
CAS 2116-84-9PubChem CID 62427

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane

IUPAC name
trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane
Molecular formula
C15H32O3Si4
Molecular weight
372.75 g/mol
Exact mass
372.14285102 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

RefChem:1051654Phenyltris(trimethylsiloxy)silane1,1,1,5,5,5-hexamethyl-3-phenyl-3-((trimethylsilyl)oxy)trisiloxaneTris(trimethylsiloxy)phenylsilaneC15H32O3Si4Silicone DC 556S3QI0ZXT5XDC 556
16 more reported names
CS-01862801,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxaneTrisiloxane, 1,1,1,5,5,5-hexamethyl-3-phenyl-3-((trimethylsilyl)oxy)-Dow Corning 556Gransil PM-56Phenyl trimethyl siloxaneUNII-S3QI0ZXT5X556 Phenyl Trimethiconetrimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxy-silanephenyl tris(trimethylsiloxy)silanePhenyltris(trimethylsiloxyl)silaneLINXHFKHZLOLEI-UHFFFAOYSA-NPhenyltris(trimethylsilyloxy)silaneEINECS 218-320-6Trisiloxane, 1,1,1,5,5,5-hexametAS-15561
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 2116-84-9

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No records found for this CAS number.

How CAS 2116-84-9 is used on this site

CAS 2116-84-9 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 2116-84-9 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.