Octadecyltrimethoxysilane

CAS Registry Number®

3069-42-9

CAS Name

Octadecyltrimethoxysilane

Molecular Formula

C21H46O3Si

Molecular Mass

374.67

Cite this Page

Octadecyltrimethoxysilane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3069-42-9 (retrieved 2024-11-24) (CAS RN: 3069-42-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    170 °C @ Press: 0.1 Torr
  • Melting Point (1)

    13-17 °C
  • Density (1)

    0.885 g/cm³

Source(s)

  • (1) Metal-Organics Catalog physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US)

Other Names and Identifiers

InChI

InChI=1S/C21H46O3Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25(22-2,23-3)24-4/h5-21H2,1-4H3

InChIKey

InChIKey=SLYCYWCVSGPDFR-UHFFFAOYSA-N

SMILES

[Si](CCCCCCCCCCCCCCCCCC)(OC)(OC)OC

Canonical SMILES

O(C)[Si](OC)(OC)CCCCCCCCCCCCCCCCCC

Other Names for this Substance

  • Silane, trimethoxyoctadecyl-
  • Trimethoxyoctadecylsilane
  • Stearyltrimethoxysilane
  • Octadecyltrimethoxysilane
  • LSX 6817

Deleted or Replaced CAS Registry Numbers

1253692-82-8

CAS INSIGHTSTM
Hourglass and a clock