Description

Isooctyltrichlorosilane is a highly reactive organosilicon compound primarily used as a versatile coupling agent and surface modifier. Its core value lies in its ability to form strong, durable bonds between inorganic substrates and organic polymers, enhancing material performance. This chemical is essential for manufacturers in the coatings, adhesives, and specialty materials sectors seeking to improve adhesion, hydrophobicity, and chemical resistance.

Application

• Surface Treatment Agent: Used to modify the surface of glass, silica, and metals to improve adhesion and water repellency in coatings and composites.
• Coupling Agent for Fillers: Enhances the compatibility and dispersion of inorganic fillers (like silica) within organic polymer matrices such as rubbers and plastics.
• Intermediate for Silicone Derivatives: Serves as a key precursor in the synthesis of more complex silicone-based fluids, resins, and elastomers.
• Waterproofing Agent: Imparts durable hydrophobic properties to construction materials, textiles, and electronic components.
• Adhesion Promoter: Formulated into primers and adhesives to significantly boost bond strength on challenging substrates.
• Nanomaterial Functionalization: Used to graft organic functional groups onto nanoparticles for specialized applications in advanced materials.

Basic Information

Product Name	Isooctyltrichlorosilane
CAS No.	39050-74-3
Molecular Formula	C8H17Cl3Si
Molecular Weight	247.66 g/mol
Synonyms	Trichloro(6-methylheptyl)silane; (6-Methylheptyl)trichlorosilane; Isooctyl Silane Trichloride; Isooctyltrichlorosilane; 1,1,1-Trichloro-6-methylheptylsilane; 6-Methylheptyltrichlorosilane; Silane, trichloro(6-methylheptyl)-; Isooctyl Trichlorosilane
EINECS	254-280-3

Quality Control

Our Isooctyltrichlorosilane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and incompatible materials. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis. Recommended storage temperature: 2-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.07 - 1.09 g/mL
Refractive Index (n20D)	1.450 - 1.455

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