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112-04-9

112-04-9 structural image
Product Name: N-OCTADECYLTRICHLOROSILANE
Formula: C18H37Cl3Si
Synonyms: Octadecyltrichlorosilane
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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.