376221
Trimethoxy(octyl)silane
96%
Synonym(s):
Octyltrimethoxysilane
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About This Item
Linear Formula:
CH3(CH2)7Si(OCH3)3
CAS Number:
Molecular Weight:
234.41
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
221-338-7
Beilstein/REAXYS Number:
1926957
MDL number:
Quality Segment
assay
96%
form
liquid
refractive index
n20/D 1.416 (lit.)
density
0.907 g/mL at 25 °C (lit.)
SMILES string
CCCCCCCC[Si](OC)(OC)OC
InChI
1S/C11H26O3Si/c1-5-6-7-8-9-10-11-15(12-2,13-3)14-4/h5-11H2,1-4H3
InChI key
NMEPHPOFYLLFTK-UHFFFAOYSA-N
General description
Trimethoxy(octyl)silane is an organosilane. The effect of hydrolyzed silane on the penetration of water into a lamellar liquid crystal was studied.
Trimethoxy(octyl)silane (TMOS) is an organosilane that is used as a coupling and surface modifying agent to enhance the water contact angle and lower the surface energy.
Application
Trimethoxy(octyl)silane was used for the silanization of silica nanoparticles. Surface modification of hydrophobic (T805) titania particles with the silane was reported.
Trimethoxy(octyl)silane (TMOS) is used to functionalize the surface of silica to promote the adhesion with gold nanoparticles (AuNPs) for use in the fabrication of acrylate nanocomposite based photonic devices. It can be coated on silica fiber based epoxy to improve the hydrophobic characteristics and to protect the surface from corrosion.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Skin Irrit. 2
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 1
flash_point_f
203.0 °F - closed cup
flash_point_c
95 °C - closed cup
ppe
Eyeshields, Gloves
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