Description

Tris(1-Methylethoxy)Propylsilane is a versatile organosilicon compound, specifically an alkoxysilane, widely used as a key intermediate and surface modifying agent. Its primary value lies in its ability to introduce functional silane groups, enabling adhesion promotion, cross-linking, and surface hydrophobization in advanced materials. This product is essential for manufacturers in the silicone polymers, coatings, adhesives, and electronics industries seeking to enhance material performance and durability.

Application

• Silicone Resin & Polymer Modification: Acts as a cross-linking agent or chain extender in the synthesis of specialty silicone polymers, improving thermal and mechanical properties.
• Surface Treatment for Fillers & Pigments: Used as a coupling agent to treat inorganic surfaces like silica, glass, and minerals, enhancing their compatibility and dispersion in organic polymer matrices.
• Adhesion Promoter in Coatings & Sealants: Improves the bond strength and moisture resistance of coatings, adhesives, and sealants on various substrates, including metals, glass, and plastics.
• Hydrophobic Coatings: Imparts water-repellent characteristics to surfaces in construction materials, textiles, and electronic components.
• Electronics & Semiconductor Precursor: Serves as a chemical precursor in the deposition of silicon-containing thin films or as a surface passivation agent in microelectronics.
• Rubber & Composite Reinforcement: Enhances the interaction between rubber compounds and reinforcing fillers like silica, leading to improved wear resistance and lower rolling resistance in tire applications.

Basic Information

Product Name	Tris(1-Methylethoxy)Propylsilane
CAS No.	35108-12-4
Molecular Formula	C12H28O3Si
Molecular Weight	248.44 g/mol
Synonyms	Triisopropoxypropylsilane; Propyltriisopropoxysilane; 3-(Triisopropoxysilyl)propane; 1-Propyltriisopropoxysilane; Triisopropoxy(propyl)silane; Silane, triisopropoxypropyl-; Tris(isopropoxy)propylsilane; Tris(2-propoxy)propylsilane
EINECS	Contact for details

Quality Control

Our Tris(1-Methylethoxy)Propylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.405 - 1.415
Density (20°C)	0.90 - 0.95 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.