Trimethoxy Octyl Silane | 3069-40-7
Cas No :
3069-40-7
Form :
Liquid
Molecular Weight :
234.41 G/Mol
Molecular Formula :
C11H26O3SI
Boiling Point :
210 °C
Melting Point :
-60 °C
Flash Point :
65 °C
Solubility :
Insoluble In Water; Soluble In Organic Solvents (Toluene, Xylene, Dichloromethane, Ether)
Description :
Overview of Trimethoxy Octyl Silane
Trimethoxy Octyl Silane (Octyltrimethoxysilane) is an organosilicon compound used as a coupling agent, surface modifier, and hydrophobic treatment agent in various industrial applications.
Known for imparting water repellency, improving adhesion, and modifying surface properties, Trimethoxy Octyl Silane is widely used in coatings, construction materials, composites, and specialty chemical formulations.
This compound appears as a colorless to pale yellow liquid. Its octyl chain provides hydrophobicity, while the three methoxy groups enable bonding to inorganic surfaces via siloxane formation.
Related products include Triethoxysilane, Trimethoxysilane, and other functional alkoxysilanes used in surface treatment and materials science.
Applications of Trimethoxy Octyl Silane
Surface Treatment & Coatings
- Used as a hydrophobic treatment agent for concrete and masonry
- Applied in waterproofing formulations
- Used in protective coating systems
- Applied in developing water-repellent surfaces
Materials Science & Composites
- Used as a coupling agent in composite materials
- Applied to improving interfacial adhesion
- Used in fiber treatment for composites
- Applied to polymer-inorganic material bonding
Industrial Chemical Applications
- Used in manufacturing silane-modified polymers
- Applied in producing specialty chemicals
- Used in adhesive and sealant formulations
- Applied in developing performance materials
Safety & Handling Guidelines
- FLAMMABLE LIQUID—keep away from ignition sources
- Avoid inhalation of vapors
- Use gloves, goggles, and protective clothing
- Handle in well-ventilated areas
- Store in tightly closed containers in a cool, dry place
- Hydrolyzes slowly in moisture—keep containers sealed
- Keep away from strong acids and oxidizing agents
- Follow COA and MSDS instructions strictly
Where to Buy Trimethoxy Octyl Silane?
Trimethoxy Octyl Silane Manufacturer
ChemicalBull supplies high-purity Trimethoxy Octyl Silane, meeting industrial and technical quality standards.
Trimethoxy Octyl Silane Supplier & Distributor
- Available in bulk quantities for industrial use
- High-purity technical grades
- COA, MSDS, and specifications provided
MSDS
Includes detailed safety instructions, flammability data, and handling protocols.
Frequently Asked Questions (FAQs)
-
What are Trimethoxy Octyl Silane uses?
Used as a hydrophobic surface treatment agent, a water repellent for construction materials, a coupling agent in composites, and in coatings and sealants. -
What is Trimethoxy Octyl Silane synthesis?
Synthesized by reaction of octyltrichlorosilane with methanol, or direct synthesis from octyl Grignard reagent and trimethoxysilane. -
What is the molecular formula?
Molecular formula: C₁₁H₂₆O₃Si with molecular weight 234.40 g/mol.