Description

Butoxytrimethylsilane is a versatile organosilicon compound, specifically a silyl ether, known for its role as a versatile reagent and protecting group in synthetic chemistry. Its primary value lies in its ability to introduce the trimethylsilyl (TMS) group, a fundamental unit for modifying surface properties and synthesizing advanced materials. This product is essential for manufacturers and R&D teams in the pharmaceutical intermediates, specialty polymers, and surface treatment sectors, where precise chemical modification is critical.

Application

• Silylating Agent in Pharmaceutical Synthesis: Used to protect reactive hydroxyl (-OH) groups during multi-step synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Surface Modification of Inorganic Materials: Imparts hydrophobic properties to silica, glass, and metal oxides, enhancing compatibility with organic polymers in composite materials.
• Precursor for Silicone Polymers: Serves as a monomer or cross-linking agent in the production of specialized silicone resins and elastomers with tailored properties.
• Adhesion Promoter: Improves the bond between organic coatings, adhesives, or sealants and inorganic substrates like metals or minerals.
• Water Repellent Treatments: A key component in formulations for creating water-resistant surfaces on construction materials, textiles, and electronics.
• Laboratory Reagent: Employed in research and development for derivatization in gas chromatography (GC) and other analytical techniques.

Basic Information

Product Name	Butoxytrimethylsilane
CAS No.	1825-65-6
Molecular Formula	C7H18OSi
Molecular Weight	146.30 g/mol
Synonyms	Butyl Trimethylsilyl Ether; Trimethylbutoxysilane; n-Butoxytrimethylsilane; Butyloxytrimethylsilane; TMS-O-Butyl; Trimethylsilyl butyl ether; Silane, butoxytrimethyl-; 1-Butoxytrimethylsilane
EINECS	217-369-7

Quality Control

Our Butoxytrimethylsilane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including Gas Chromatography (GC), to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment, ensuring full traceability and compliance with your material specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and moisture absorption. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (at 20°C)	0.78 - 0.82 g/mL
Refractive Index (n20D)	1.390 - 1.395
Water Content (KF)	≤ 0.1%

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