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CAS 807-28-3

CAS 807-28-3 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 807-28-3
CAS 807-28-3PubChem CID 13121

Tetraphenyl dimethyl disiloxane

IUPAC name
methyl-[methyl(diphenyl)silyl]oxy-diphenylsilane
Molecular formula
C26H26OSi2
Molecular weight
410.7 g/mol
Exact mass
410.15221852 Da
Topological polar surface area
9.2 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

1,1,3,3-Tetraphenyl-1,3-dimethyldisiloxaneDisiloxane, 1,3-dimethyl-1,1,3,3-tetraphenyl-1,3-DIMETHYL-1,1,3,3-TETRAPHENYLDISILOXANEEINECS 212-361-31,1,3,3-TETRAPHENYLDIMETHYLDISILOXANE54A20TN089T 2078RefChem:897393
11 more reported names
1,1,3,3Tetraphenyl1,3dimethyldisiloxane1,3Dimethyl1,1,3,3tetraphenyldisiloxaneTETRAPHENYL DIMETHYL DISILOXANE [INCI]212-361-3Disiloxane,1,3-dimethyl-1,1,3,3-tetraphenyl-1,3-dimethyl-1,1,3,3-tetraphenyl-disiloxaneC26H26OSi2UNII-54A20TN089methyldiphenylsilyl ethermethyl-[methyl(diphenyl)silyl]oxy-diphenyl-silane1,3-Dimethyl-1,1,3,3-tetraphenyldisiloxane #
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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 807-28-3

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How CAS 807-28-3 is used on this site

CAS 807-28-3 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 807-28-3 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.