Home Categories Chemical Reagents Trimethoxy(octadecyl)silane
A7686012

Trimethoxy(octadecyl)silane , 90% , 3069-42-9

Synonym(s):
Octadecyltrimethoxysilane

CAS NO.:3069-42-9

Empirical Formula: C21H46O3Si

Molecular Weight: 374.67

MDL number: MFCD00043060

EINECS: 221-339-2

Pack Size Price Stock Quantity
5ML RMB52.00 In Stock
25ML RMB144.80 In Stock
100ML RMB470.40 In Stock
500ml RMB1807.20 In Stock
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Update time: 2022-07-08

PRODUCT 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.
InChIKey SLYCYWCVSGPDFR-UHFFFAOYSA-N
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)

Description and Uses

OTS is used for the development of self assembled monolayers(SAMs). OTS is also used to modify the silica dielectric surface in organic field effect transistors.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P280-P261
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  1
10-21
TSCA  Yes
HS Code  29319090

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