N-Butyltriethoxy Silane

Details:

Common name: N-Butyltriethoxy Silane

Category:Industrial/Fine Chemicals

Other name: Triethoxy(butyl)silane

CAS No.: 4781-99-1

EINECS No.: 221-906-4

Appearance: Liquid

Molecular formula: C10H24O3Si

 

Brand Name: Colorcom

Shelf Life: 2 Years

Place of Origin: China

 

Product Specification:

Molecular Weight	220.38
Boiling point	180.1℃
Melting point	/
Density	0.887 g/mL at 25 °C (lit.)
Purity	≥99.0%
Acidity coefficient (pKa)	11.9[at 20 ℃]
Soluble	/
Water solubility	7: reacts slowly with moisture/water
Color	Colorless

 

 

Product Description:
N - Butyltriethoxy Silane is an organosilicon compound. This compound is typically a colorless to light yellow liquid with a characteristic odor. It has a relatively low viscosity and is soluble in common organic solvents such as ethanol, acetone, and toluene. N - Butyltriethoxy Silane is known for its hydrolyzable ethoxy groups, which allow it to react with moisture in the air or other substrates to form silanol groups and then undergo condensation reactions to form siloxane bonds. This property makes it useful as a coupling agent in various applications. It is also thermally stable to a certain extent, enabling its use in processes that involve moderate heating. The butyl group attached to the silicon atom provides hydrophobicity and affects its compatibility with different organic matrices. Overall, it plays an important role in industries such as coatings, adhesives, and composites, where it can enhance the adhesion between inorganic fillers and organic polymers, thereby improving the overall performance and durability of the materials.

 

Application: 

N-Butyltriethoxy Silane has a broad spectrum of applications. In the construction industry, it is widely utilized as a surface treatment agent for concrete and masonry. By reacting with the hydroxyl groups on the surface of these materials, it forms a hydrophobic layer, reducing water absorption and enhancing the durability and weather resistance of structures. In the automotive sector, it is applied in the manufacturing of rubber tires and sealants. For tires, it improves the adhesion between the rubber and the reinforcing fillers, leading to better traction and wear resistance. In sealants, it enhances the flexibility and adhesion properties, ensuring a tight and long-lasting seal. In the paint and coating field, it acts as a coupling agent, promoting the adhesion of the coating to the substrate, whether it's metal, plastic, or wood. This results in coatings with improved scratch resistance and gloss retention. Additionally, it is used in the production of fiberglass composites, where it strengthens the bond between the glass fibers and the resin matrix, increasing the mechanical strength and impact resistance of the final product.

Package: 25KG/Drum

Storage:Sealed in dry, room temperature.

Executive Standards: International Standard.