Description

2,4,4-Trimethylpentyltrimethoxysilane is a specialized organosilicon coupling agent and intermediate. This compound is valued for its ability to modify surfaces and enhance the compatibility between inorganic materials and organic polymers. It is primarily sought after by manufacturers in the adhesives, sealants, coatings, and advanced composite materials industries for its performance-enhancing properties.

Application

• Surface Modification Agent: Used to treat fillers like silica, glass fibers, and minerals to improve dispersion and bonding in polymer matrices.
• Adhesive & Sealant Formulations: Acts as an adhesion promoter, enhancing bond strength and durability, especially on difficult substrates.
• Composite Materials: Improves the interfacial adhesion between reinforcing fibers (e.g., glass, carbon) and resin systems, leading to stronger, more durable composites.
• Coatings and Inks: Imparts improved scratch resistance, weather resistance, and adhesion to various coatings.
• Rubber and Tire Industry: Used as a coupling agent in silica-filled rubber compounds to reduce rolling resistance and improve mechanical properties.
• Intermediate for Specialty Chemicals: Serves as a key building block for synthesizing more complex silane derivatives and functional materials.

Basic Information

Product Name	2,4,4-Trimethylpentyltrimethoxysilane
CAS No.	88468-45-5
Molecular Formula	C11H26O3Si
Molecular Weight	234.41 g/mol
Synonyms	Trimethoxy(2,4,4-trimethylpentyl)silane; Isooctyltrimethoxysilane; (2,4,4-Trimethylpentyl)trimethoxysilane; 1-Trimethoxysilyl-2,4,4-trimethylpentane; Isooctyl trimethoxy silane; 3-(2,4,4-Trimethylpentyl)trimethoxysilane
EINECS	Contact for details

Quality Control

Our 2,4,4-Trimethylpentyltrimethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistency, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment.

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, containers must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.88 - 0.90 g/cm³
Refractive Index (n20/D)	1.410 - 1.415

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