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Octadecyltrimethoxysilane Structure

Octadecyltrimethoxysilane

Chemical Properties

Melting point 16-17 °C(lit.)
Boiling point 170 °C (0.1 mmHg)
Density  0.883 g/mL at 25 °C(lit.)
vapor pressure  0.001Pa at 25℃
refractive index  n20/D 1.439(lit.)
Flash point 284 °F
storage temp.  Inert atmosphere,Room Temperature
solubility  Chloroform (Slightly)
form  liquid
Specific Gravity 0.883
color  Colourless
Water Solubility  190-437000ng/L at 20℃
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  5791830
Stability Stable. Incompatible with strong oxidizing agents. Moisture sensitive.
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 SLYCYWCVSGPDFR-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC
LogP 6
CAS DataBase Reference 3069-42-9(CAS DataBase Reference)
NIST Chemistry Reference Octadecyltrimethoxysilane(3069-42-9)
EPA Substance Registry System Silane, trimethoxyoctadecyl- (3069-42-9)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  1
F  10-21
TSCA  TSCA listed
HS Code  29319090
Storage Class 10 - Combustible liquids

MSDS

Usage And Synthesis

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