n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers, Thermo Scientific Chemicals

Description

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.

Specifications

Chemical Identifiers

• CAS: 112-04-9
• Molecular Formula: C18H37Cl3Si
• Molecular Weight (g/mol): 387.929
• MDL Number: MFCD00000484
• InChI Key: PYJJCSYBSYXGQQ-UHFFFAOYSA-N
• Synonym: octadecyltrichlorosilane, trichloro octadecyl silane, n-octadecyltrichlorosilane, silane, trichlorooctadecyl, silane, octadecyltrichloro, n-octadecyl trichlorosilane, stearyltrichlorosilane, unii-1qle771pke, trichlorostearylsilane, trichloroctadecylsilane
• PubChem CID: 8157
• IUPAC Name: trichloro(octadecyl)silane
• SMILES: CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl

• Boiling Point: 160°C to 162°C (3mmHg)
• Melting Point: ∼20°C
• Quantity: 250 g
• Linear Formula: CH₃(CH₂)₁₇SiCl₃
• UN Number: UN1800
• Beilstein: 1778847
• Flash Point: 189°C (372°F)
• Solubility Information: Decomposes in water.
• Formula Weight: 387.94
• Percent Purity: 95%
• Odor: Pungent
• Refractive Index: 1.46
• Sensitivity: Moisture sensitive
• Density: 0.984
• Assay: cont. 5 to 10% branched isomers
• Chemical Name or Material: n-Octadecyltrichlorosilane

Safety and Handling

Hazard Category	H314-H335
Hazard Statement	GHS H Statement H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: OCTADECYLTRICHLOROSILANE
EINECSNumber	203-930-7
RTECSNumber	VV4680000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only