Description

n-Butyltrichlorosilane is a highly reactive organosilicon compound primarily used as a key intermediate in silicone chemistry. This compound is essential for introducing the butyl functional group onto silicon-based polymers and surfaces, significantly modifying their properties. It is a critical raw material for manufacturers in the silicone, pharmaceutical, and advanced materials sectors seeking to create specialized hydrophobic coatings, release agents, and silane coupling agents.

Application

• Silane Coupling Agent: Used to modify inorganic surfaces like glass, silica, and metals to improve adhesion with organic polymers in composite materials.
• Silicone Intermediate: Serves as a fundamental building block in the synthesis of various silicone fluids, resins, and elastomers, imparting specific hydrophobic characteristics.
• Hydrophobic Coatings: Applied in the formulation of water-repellent coatings for construction materials, textiles, and electronic components.
• Release Agent Precursor: Used in the production of silicone-based release coatings for pressure-sensitive adhesives, labels, and industrial molding.
• Chemical Synthesis: Acts as an alkylating agent and protecting group reagent in sophisticated organic and pharmaceutical synthesis.
• Surface Treatment: Employed for the surface passivation and functionalization of nanoparticles and fillers to enhance dispersion in polymer matrices.

Basic Information

Product Name	n-Butyltrichlorosilane
CAS No.	7521-80-4
Molecular Formula	C4H9Cl3Si
Molecular Weight	191.56 g/mol
Synonyms	Butyltrichlorosilane; Trichlorobutylsilane; n-Butylsilicon trichloride; Butylsilyl trichloride; 1-Butyltrichlorosilane; Butyltrichlorosilane (n-); Silane, trichlorobutyl-; EINECS 231-374-0
EINECS	231-374-0

Quality Control

Our n-Butyltrichlorosilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous demands of industrial and research applications, ensuring reliable performance in your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, alcohols, and oxidizing agents. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.16 - 1.18 g/mL
Refractive Index (n20D)	1.428 - 1.432
Boiling Point	Approx. 142-143°C

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