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CAS 3982-82-9

CAS 3982-82-9 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 3982-82-9
CAS 3982-82-9PubChem CID 19882

1,3,3,5-Tetramethyl-1,1,5,5-tetraphenyltrisiloxane

IUPAC name
dimethyl-bis[[methyl(diphenyl)silyl]oxy]silane
Molecular formula
C28H32O2Si3
Molecular weight
484.8 g/mol
Exact mass
484.17100986 Da
Topological polar surface area
18.5 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxaneEINECS 223-620-56IOT4Y7V2BTrisiloxane, 1,3,3,5-tetramethyl-1,1,5,5-tetraphenyl-DOW CORNING 704HIVAC F 4SILICONE DC 704TETRAMETHYL TETRAPHENYL TRISILOXANE
16 more reported names
DIMETHYLBIS(METHYLDIPHENYLSILYLOXY)SILANERefChem:412311Dow Corning Silicone Diffusion Pump Fluids 7041,3,3,5Tetramethyl1,1,5,5tetraphenyltrisiloxaneTETRAMETHYL TETRAPHENYL TRISILOXANE [INCI]Trisiloxane, 1,3,3,5tetramethyl1,1,5,5tetraphenyl223-620-51,1,5,5-Tetraphenyltetramethyltrisiloxane1,3,3,5-tetramethyl-1,1,5,5-tetraphenyl-trisiloxaneC28H32O2Si3UNII-6IOT4Y7V2BYFCVAZGXPLMNDG-UHFFFAOYSA-NDC 704DB-049486Dow Corning(R) silicone diffusion pump fluids, 702Dow Corning(R) silicone diffusion pump fluids, 704
Open full PubChem recordPubChem annotations3D structure image
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 3982-82-9

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How CAS 3982-82-9 is used on this site

CAS 3982-82-9 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 3982-82-9 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.