Octaphenylcyclotetrasiloxane

CAS Registry Number®

546-56-5

CAS Name

Octaphenylcyclotetrasiloxane

Molecular Formula

C48H40O4Si4

Molecular Mass

793.17

Cite this Page

Octaphenylcyclotetrasiloxane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=546-56-5 (retrieved 2024-11-21) (CAS RN: 546-56-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    332 °C @ Press: 1 Torr

  • Melting Point (2)

    200.5 °C

  • Density (1)

    1.185 g/cm³

Source(s)

  • (1) Metal-Organics Catalog physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US)
  • (2) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C48H40O4Si4/c1-9-25-41(26-10-1)53(42-27-11-2-12-28-42)49-54(43-29-13-3-14-30-43,44-31-15-4-16-32-44)51-56(47-37-21-7-22-38-47,48-39-23-8-24-40-48)52-55(50-53,45-33-17-5-18-34-45)46-35-19-6-20-36-46/h1-40H

InChIKey

InChIKey=VSIKJPJINIDELZ-UHFFFAOYSA-N

SMILES

[Si]1(O[Si](O[Si](O[Si](O1)(C2=CC=CC=C2)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

Canonical SMILES

O1[Si](O[Si](O[Si](O[Si]1(C=2C=CC=CC2)C=3C=CC=CC3)(C=4C=CC=CC4)C=5C=CC=CC5)(C=6C=CC=CC6)C=7C=CC=CC7)(C=8C=CC=CC8)C=9C=CC=CC9

Other Names for this Substance

  • Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octaphenyl-
  • Cyclotetrasiloxane, octaphenyl-
  • 2,2,4,4,6,6,8,8-Octaphenylcyclotetrasiloxane
  • Octaphenylcyclotetrasiloxane
  • 1,1,3,3,5,5,7,7-Octaphenylcyclotetrasiloxane

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Deleted or Replaced CAS Registry Numbers

953400-53-8

CAS INSIGHTSTM
Targeted protein degrader structure, illustration