Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 0 records

CAS 18758-91-3

CAS 18758-91-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 18758-91-3
CAS 18758-91-3PubChem CID 10144957

Bisphenylhexamethicone

IUPAC name
trimethyl-[phenyl-[phenyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane
Molecular formula
C24H46O5Si6
Molecular weight
583.1 g/mol
Exact mass
582.19608377 Da
Topological polar surface area
46.2 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

UNII-M10QI69BSDM10QI69BSDDIPHENYLHEXAMETHICONETetrakis(trimethylsilyloxy)-1,3-diphenyldisiloxane1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis(trimethylsilyloxy)tetrasiloxaneTetrasiloxane, 1,1,1,7,7,7-hexamethyl-3,5-diphenyl-3,5-bis(trimethylsiloxy)-RefChem:120504BISPHENYLHEXAMETHICONE [INCI]
4 more reported names
Tetrasiloxane, 1,1,1,7,7,7-hexamethyl-3,5-diphenyl-3,5-bis((trimethylsilyl)oxy)-C24H46O5Si6WZKPOPMJOWWSBZ-UHFFFAOYSA-N1,1,1,7,7,7-Hexamethyl-3,5-diphenyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane
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 18758-91-3

0 total
No records found for this CAS number.

How CAS 18758-91-3 is used on this site

CAS 18758-91-3 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 18758-91-3 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.