Description

T-Butylisopropyldimethoxysilane is a specialized organosilicon compound, specifically a dialkoxysilane, valued for its role as a versatile coupling agent and surface modifier. Its chemical structure provides excellent reactivity for bonding organic polymers to inorganic substrates, enhancing material compatibility and performance. This product is essential for manufacturers in the silicone rubber, advanced composites, and specialty coatings industries seeking to improve adhesion, dispersion, and mechanical properties.

Application

• As a key coupling agent in the production of high-performance silicone elastomers and sealants.
• As a surface treatment agent for mineral fillers (e.g., silica, clay) to improve their compatibility and dispersion in polymer matrices.
• In the formulation of adhesion promoters for coatings, inks, and adhesives on difficult-to-bond substrates.
• As a precursor or intermediate in the synthesis of more complex organosilicon molecules and functional materials.
• For modifying glass or ceramic surfaces to impart hydrophobic or specific functional properties.
• In the development of advanced composite materials to enhance the interfacial bonding between fibers and resin systems.

Basic Information

Product Name	T-Butylisopropyldimethoxysilane
CAS No.	109144-59-4
Molecular Formula	C9H22O2Si
Molecular Weight	190.36 g/mol
Synonyms	tert-Butylisopropyldimethoxysilane; (tert-Butyl)(isopropyl)dimethoxysilane; Dimethoxy(2-methyl-2-propanyl)(1-methylethyl)silane; Dimethoxy(tert-butyl)(isopropyl)silane; TBDMSiPr; Silane, dimethoxy(1,1-dimethylethyl)(1-methylethyl)-; Isopropyl-tert-butyl-dimethoxysilane
EINECS	Contact for details

Quality Control

Our T-Butylisopropyldimethoxysilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC (Gas Chromatography) for purity and identity confirmation, to ensure it meets precise specifications for industrial applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee consistency and reliability.

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). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under a dry inert atmosphere (e.g., nitrogen) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Density (20°C)	0.85 - 0.87 g/cm³
Refractive Index (n20/D)	1.405 - 1.415

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