Description

Isobutoxytrimethylsilane is a versatile organosilicon compound, CAS NO 18269-50-6, valued for its role as a key silylating agent and reactive intermediate in advanced material synthesis. Its primary commercial significance lies in its ability to introduce the trimethylsilyl group, modifying surface properties and enhancing the performance of final products. This chemical is essential for manufacturers in the silicone polymer, pharmaceutical, and specialty chemical industries seeking to improve product stability and process efficiency.

Application

• Silylating Agent: Used to protect reactive functional groups (e.g., -OH, -NH) in organic synthesis and pharmaceutical intermediate manufacturing.
• Surface Modification: Imparts hydrophobic properties to silica, minerals, and other inorganic fillers for composite materials.
• Silicone Intermediate: Serves as a building block in the production of modified silicone oils, resins, and elastomers.
• Adhesion Promoter: Enhances the bonding between organic polymers and inorganic substrates in coatings and sealants.
• Water Repellency: Applied in treatments for textiles, construction materials, and electronics to provide moisture resistance.
• Crosslinking Agent: Facilitates the formation of network structures in silicone-based formulations.

Basic Information

Product Name	Isobutoxytrimethylsilane
CAS No.	18269-50-6
Molecular Formula	C7H18OSi
Molecular Weight	146.30 g/mol
Synonyms	Trimethylisobutoxysilane; Isobutyl Trimethylsilyl Ether; (Isobutoxy)trimethylsilane; Silane, isobutoxytrimethyl-; NSC 93766; Trimethyl(isobutoxy)silane; Isobutoxy(trimethyl)silane; 2-Methylpropoxytrimethylsilane
EINECS	242-161-7

Quality Control

Our Isobutoxytrimethylsilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets exacting specifications for industrial and fine chemical applications. Certificates of Analysis (COA) documenting purity, physical properties, and other critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Density (20°C)	0.77 - 0.79 g/mL
Refractive Index (n20D)	1.388 - 1.392
Boiling Point	Approx. 110-112°C

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