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Alfa Aesar™ n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers

Chemical Identifiers

Chemical Name or Material n-Octadecyltrichlorosilane
CAS 112-04-9
Molecular Formula C18H37Cl3Si
Linear Formula CH3(CH2)17SiCl3
Formula Weight 387.94
MDL Number MFCD00000484
UN Number UN1800
Beilstein 1778847
Synonym Trichlorooctadecylsilane; Stearyltrichlorosilane
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA157320B

  SDS
alfa aesar™
A157320B
1000g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1573218

  SDS
alfa aesar™
A1573218
50g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1573230

  SDS
alfa aesar™
A1573230
250g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Formula Weight 387.94
Chemical Name or Material n-Octadecyltrichlorosilane
TSCA TSCA
Odor Pungent
Assay 95%
Assay Percent Notes cont. 5 to 10% branched isomers
Molecular Formula C18H37Cl3Si
Linear Formula CH3(CH2)17SiCl3
MDL Number MFCD00000484
CAS 112-04-9
UN Number UN1800
Beilstein 1778847
Synonym Trichlorooctadecylsilane; Stearyltrichlorosilane
Boiling Point 160° to 162°C (3mmHg)
Melting Point ≈20°C
Quantity 1000g
Flash Point 189°C (372°F)
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.
Health Hazard 3 GHS P Statement
P280-P305+P351+P338-P309-P310-P402
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
Store in a dry place.
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: OCTADECYLTRICHLOROSILANE
RTECS Number VV4680000

Applications
n-Octadecyltrichlorosilane is used in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates. Used in molecular electronics, as thin insulating gates in Metal-Insulator-Semiconductor Field-Effect Transistors. It is also used in platinum catalyzed synthesis.

Solubility
Decomposes in water.

Notes
Moisture sensitive. Store in cool dry place in tightly closed container. Store under dry inert gas. Keep away from water/moisture.

Safety and Handling

Danger

GHS P Statement
P280-P305+P351+P338-P309-P310-P402
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
Store in a dry place.

GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.