Octaphenylsilsesquioxane

CAS Registry Number®

5256-79-1
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CAS Name

Octaphenylsilsesquioxane

Molecular Formula

C48H40O12Si8

Molecular Mass

1033.51

Cite this Page

Octaphenylsilsesquioxane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=5256-79-1 (retrieved 2024-04-28) (CAS RN: 5256-79-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    472-482 °C

  • Density (2)

    1.30 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C48H40O12Si8/c1-9-25-41(26-10-1)61-49-62(42-27-11-2-12-28-42)52-65(45-33-17-5-18-34-45)54-63(50-61,43-29-13-3-14-30-43)56-67(47-37-21-7-22-38-47)57-64(51-61,44-31-15-4-16-32-44)55-66(53-62,46-35-19-6-20-36-46)59-68(58-65,60-67)48-39-23-8-24-40-48/h1-40H

InChIKey

InChIKey=KBXJHRABGYYAFC-UHFFFAOYSA-N

SMILES

[Si]12(O[Si]3(O[Si]4(O[Si](O1)(O[Si]5(O[Si](O2)(O[Si](O3)(O[Si](O4)(O5)C6=CC=CC=C6)C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9)C%10=CC=CC=C%10)C%11=CC=CC=C%11)C%12=CC=CC=C%12)C%13=CC=CC=C%13

Canonical SMILES

O1[Si]2(O[Si]3(O[Si]4(O[Si]1(O[Si]5(O[Si](O2)(O[Si](O3)(O[Si](O4)(O5)C=6C=CC=CC6)C=7C=CC=CC7)C=8C=CC=CC8)C=9C=CC=CC9)C=%10C=CC=CC%10)C=%11C=CC=CC%11)C=%12C=CC=CC%12)C=%13C=CC=CC%13

Other Names for this Substance

  • Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl-
  • Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, octaphenyl-
  • Octasilsesquioxane, octaphenyl-
  • 1,3,5,7,9,11,13,15-Octaphenylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane
  • Octaphenylhexacyclooctasiloxane

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Deleted or Replaced CAS Registry Numbers

77036-59-0, 2097451-85-7

CAS INSIGHTSTM
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