2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane

CAS Registry Number®

15721-05-8

CAS Name

2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane

Molecular Formula

C7H22O4Si4

Molecular Mass

282.59

Cite this Page

2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=15721-05-8 (retrieved 2024-11-26) (CAS RN: 15721-05-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    84.5 °C @ Press: 50 Torr

  • Melting Point (1)

    -27 °C

  • Density (1)

    1.3965 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C7H22O4Si4/c1-12-8-13(2,3)10-15(6,7)11-14(4,5)9-12/h12H,1-7H3

InChIKey

InChIKey=CLTMUXYRYKDGOK-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Cyclotetrasiloxane, 2,2,4,4,6,6,8-heptamethyl-
  • Cyclotetrasiloxane, heptamethyl-
  • 2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane
  • Heptamethylcyclotetrasiloxane
  • 1,3,3,5,5,7,7-Heptamethylcyclotetrasiloxane

View All

CAS INSIGHTSTM
Hourglass and a clock