Pentamethylcyclopentasiloxane

CAS Registry Number®

6166-86-5

CAS Name

Pentamethylcyclopentasiloxane

Molecular Formula

C5H20O5Si5

Molecular Mass

300.64

Cite this Page

Pentamethylcyclopentasiloxane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6166-86-5 (retrieved 2024-11-25) (CAS RN: 6166-86-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    169 °C

  • Melting Point (1)

    -108 °C

  • Density (2)

    0.998 g/cm³

Source(s)

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

Other Names and Identifiers

InChI

InChI=1S/C5H20O5Si5/c1-11-6-12(2)8-14(4)10-15(5)9-13(3)7-11/h11-15H,1-5H3

InChIKey

InChIKey=HGPDWMTUQRNTQT-UHFFFAOYSA-N

SMILES

C[SiH]1O[SiH](C)O[SiH](C)O[SiH](C)O[SiH](C)O1

Canonical SMILES

O1[SiH](O[SiH](O[SiH](O[SiH](O[SiH]1C)C)C)C)C

Other Names for this Substance

  • Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-
  • 2,4,6,8,10-Pentamethylcyclopentasiloxane
  • 1,3,5,7,9-Pentamethylcyclopentasiloxane
  • LS 8990
  • Pentamethylcyclopentasiloxane

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