Isobutyltriethoxysilane | 17980-47-1

Cas No :

17980-47-1

Form :

Liquid

Molecular Weight :

220.39 G/Mol

Molecular Formula :

C7H18O3SI

Boiling Point :

195 °C

Melting Point :

-60 °C

Flash Point :

-10 °C

Solubility :

Soluble In Many Organic Solvents; Hydrolyzes In Water; Not Miscible With Water

Description :

Overview of Isobutyltriethoxysilane

Isobutyltriethoxysilane (CAS: 17980-47-1) is a widely used organosilane compound applied in coatings, construction chemicals, sealants, and polymer modification. It appears as a clear, colorless liquid and functions mainly as a surface treatment agent and adhesion promoter between inorganic materials and organic polymers.

The compound contains reactive ethoxy groups that hydrolyze to form silanol groups, which can bond strongly with mineral surfaces such as glass, silica, metals, and ceramics. This property helps improve hydrophobicity, durability, and adhesion strength in industrial materials.

In many advanced material formulations, silane-based compounds such as Isobutyltrimethoxysilane, Octadecyltrichlorosilane, and Triethoxyvinylsilane are used to enhance surface compatibility, improve water repellency, and strengthen polymer–filler bonding in coatings, sealants, and construction materials.


Applications of Isobutyltriethoxysilane

Surface Treatment & Silane Coupling Agent

Isobutyltriethoxysilane is commonly used to modify inorganic surfaces and improve compatibility with organic polymers.

  • Enhances adhesion between silica, glass fibers, and polymer matrices

  • Improves bonding in composite materials

  • Used in mineral filler surface modification


Construction & Waterproofing Chemicals

This compound is widely applied in construction protection systems where water resistance is essential.

  • Used for concrete and masonry surface protection

  • Improves water repellency in building materials

  • Applied in stone, brick, and cement waterproofing formulations


Industrial Coatings & Sealants

Isobutyltriethoxysilane is used in protective coatings and sealants to improve durability and performance.

  • Enhances moisture resistance in coating systems

  • Improves adhesion of coatings on glass and mineral surfaces

  • Used in architectural and industrial protective coatings


Polymer & Composite Manufacturing

In polymer processing, it helps enhance compatibility between inorganic fillers and organic polymer matrices.

  • Improves dispersion of fillers in plastics and rubber

  • Increases mechanical strength of composites

  • Used in high-performance industrial materials


Adhesives & Specialty Chemical Formulations

Isobutyltriethoxysilane is used as an adhesion promoter in adhesive systems.

  • Improves bonding strength to metal, glass, and ceramics

  • Enhances durability of adhesive formulations

  • Used in sealants, bonding agents, and specialty chemicals


Safety & Handling Guidelines

  • Avoid direct contact with skin and eyes

  • Use gloves, goggles, and appropriate protective equipment

  • Handle in well-ventilated environments

  • Store in tightly sealed containers in cool, dry conditions

  • Keep away from moisture and strong oxidizing agents

  • Follow COA and MSDS guidelines strictly


Where to Buy Isobutyltriethoxysilane?

Isobutyltriethoxysilane Manufacturer

ChemicalBull supplies high-quality Isobutyltriethoxysilane suitable for coatings, construction chemicals, polymer composites, and industrial surface treatment applications.


Isobutyltriethoxysilane Supplier & Distributor

  • Available in laboratory and industrial bulk packaging

  • Suitable for coatings, sealants, and composite manufacturing

  • COA, MSDS, and technical specifications available

 

Isobutyltriethoxysilane MSDS

  • May cause irritation to skin, eyes, and respiratory tract

  • Avoid inhalation of vapors or direct exposure

  • Use proper PPE while handling the product

  • Store in sealed containers away from incompatible chemicals

  • Refer to the complete MSDS for spill management and emergency procedures


Frequently Asked Questions (FAQs)

  1. What is the molecular formula of Isobutyltriethoxysilane?

    Molecular Formula: C₁₀H₂₄O₃Si
    Molecular Weight: 220.38 g/mol

  2. What is Isobutyltriethoxysilane used for?

    It is mainly used as a silane coupling agent and surface treatment chemical in coatings, construction materials, polymer composites, and adhesives.

  3. Why are silanes used in construction materials?

    Silanes improve water repellency, adhesion, and durability of concrete, stone, and mineral-based materials.

  4. Is Isobutyltriethoxysilane moisture sensitive?

    Yes. The ethoxy groups can hydrolyze in the presence of moisture, so it should be stored in sealed containers under dry conditions.

  5. Which industries use Isobutyltriethoxysilane?

    Common industries include construction chemicals, coatings, adhesives, polymer composites, and specialty chemical manufacturing.