112-04-9
Product Name:
N-OCTADECYLTRICHLOROSILANE
Formula:
C18H37Cl3Si
Synonyms:
Octadecyltrichlorosilane
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Octadecyltrichlorosilane appears as a colorless liquid with a pungent odor. Decomposed by water to hydrochloric acid with the evolution of heat. Corrosive to metals and tissue. Used to make various silicon containing compounds. |
|---|---|
| Color/Form | Water-white liquid |
| Boiling Point | 380 °C |
| Melting Point | about 20 °C |
| Flash Point | 193 °F (NFPA, 2010) |
| Solubility | Soluble in benzene, ethyl ether, heptane, and perchloroethylene |
| Density | 0.984 g/cu cm at 25 °C |
| Vapor Pressure | 0.00000992 [mmHg] |
| Decomposition | The silanes decomp at elevated temp to liberate hydrogen and deposit a high purity silicon, which leads to some of the principal uses of silanes. /Silanes/ |
| Corrosivity | Corrosive |
| Refractive Index | Index of refraction = 1.4602 at 20 °C/D |
| Other Experimental Properties | Combustible |
| Chemical Classes | Toxic Gases & Vapors -> Chlorosilanes |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 387.9 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 16 |
| Exact Mass | 386.173011 g/mol |
| Monoisotopic Mass | 386.173011 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 217 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Octadecyltrichlorosilane appears as a colorless liquid with a pungent odor. Decomposed by water to hydrochloric acid with the evolution of heat. Corrosive to metals and tissue. Used to make various silicon containing compounds.

