Description

Bromotrichlorosilane is a highly reactive silicon halide compound, primarily used as a key intermediate in the synthesis of advanced silicon-based materials. Its value lies in its ability to introduce both bromine and chlorine functionalities, enabling precise control over molecular architecture in downstream products. This chemical is essential for manufacturers in the semiconductor, specialty chemical, and advanced materials sectors seeking to develop high-performance silicones, polymers, and electronic-grade precursors.

Application

• Semiconductor Manufacturing: As a crucial precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create silicon-containing thin films and gate dielectrics.
• Specialty Silicone Synthesis: Serves as a versatile building block for producing custom chlorosilanes and bromosilanes, which are intermediates for silicone resins, rubbers, and fluids with specific properties.
• Surface Modification Agent: Used to functionalize silica, glass, and other inorganic surfaces, enhancing adhesion, hydrophobicity, or providing reactive sites for further chemical grafting.
• Pharmaceutical & Agro-chemical Intermediates: Employed in the synthesis of organosilicon compounds that act as key intermediates in complex molecule construction.
• Flame Retardant Synergist: Can be utilized in the development of halogenated flame retardant systems for polymers and textiles.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new silicon chemistry, catalysis, and material science applications.

Basic Information

Product Name	Bromotrichlorosilane
CAS No.	13465-74-2
Molecular Formula	BrCl3Si
Molecular Weight	214.33 g/mol
Synonyms	Trichlorobromosilane; Silicon Bromotrichloride; Bromo(trichloro)silane; Bromotrichlorosilicon; Trichloro-bromo-silane; BTS; Bromotrichloromonosilane
EINECS	236-658-3

Quality Control

Our Bromotrichlorosilane is produced and handled under stringent quality management systems to ensure batch-to-batch consistency and high purity for demanding industrial applications. Quality is verified through a comprehensive suite of analytical techniques including gas chromatography (GC), FT-IR spectroscopy, and titration methods. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 highly volatile and hygroscopic nature, containers should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	~1.83 g/mL
Boiling Point	~107-108°C
Chloride Content	Balance
Bromide Content	Balance
Non-volatile residue	≤ 0.1%

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