Octaphenylcyclotetrasiloxane

2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

CAS: 546-56-5

Molecular Formula	`C48H40O4Si4`
Molecular Weight	793.2 g/mol
Topological Polar Surface Area	36.9 A2
Hydrogen Bond Donors	0
Hydrogen Bond Acceptors	4
Rotatable Bonds	8
Exact Mass	792.2004
Heavy Atoms	56
Complexity	905.0

Chemical Identifiers

CAS Number	546-56-5
SMILES	`C1=CC=C(C=C1)[Si]2(O[Si](O[Si](O[Si](O2)(C3=CC=CC=C3)C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6)(C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9`
InChIKey	`VSIKJPJINIDELZ-UHFFFAOYSA-N`

📖 Product Overview

Octaphenylcyclotetrasiloxane (CAS: 546-56-5) is a chemical compound with molecular formula C48H40O4Si4 and molecular weight 793.2 g/mol. Its IUPAC systematic name is 2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane. Topological Polar Surface Area 36.9 A2 Hydrogen Bond Donors 0 Hydrogen Bond Acceptors 4 Rotatable Bonds 8 Exact Mass 792.2004 Heavy Atoms 56 Complexity 905.0 InChI Key: VSIKJPJINIDELZ-UHFFFAOYSA-N. SMILES: C1=CC=C(C=C1)[Si]2(O[Si](O[Si](O[Si](O2)(C3=CC=CC=C3)C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6)(C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

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