Description

Bromotrioctylsilane is a versatile organosilicon compound, specifically a trialkylsilyl bromide, known for its utility as a key reagent in organic synthesis and surface modification. Its primary value lies in its ability to act as a silylating agent, introducing hydrophobic trioctylsilyl groups to protect reactive sites or alter material properties. This makes it an essential chemical for manufacturers and researchers in the pharmaceutical, specialty chemical, and advanced materials sectors who require precise functionalization and protection strategies.

Application

• Silylating Agent in Organic Synthesis: Used to protect hydroxyl (-OH) and other protic functional groups in multi-step synthesis, particularly for complex pharmaceutical intermediates.
• Surface Modification of Inorganic Materials: Imparts hydrophobic characteristics to silica, glass, and metal oxides, enhancing compatibility with organic polymers or creating water-repellent coatings.
• Intermediate for Silicone Derivatives: Serves as a precursor in the production of specialized silicone oils, resins, and elastomers with unique alkyl chain properties.
• Catalyst and Ligand Preparation: Employed in the synthesis of organometallic catalysts and ligands where the bulky trioctylsilyl group influences steric and electronic properties.
• Chromatography and Analytical Chemistry: Used to derivative polar analytes for Gas Chromatography (GC) or Gas Chromatography-Mass Spectrometry (GC-MS) analysis to improve volatility and detection.
• Adhesion Promotion: Can be applied as a coupling agent to improve the bond between organic adhesives/sealants and inorganic substrates.

Basic Information

Product Name	Bromotrioctylsilane
CAS No.	68900-90-3
Molecular Formula	C₂₄H₄₉BrSi
Molecular Weight	445.64 g/mol
Synonyms	Trioctylsilyl bromide; Octylsilanetriol, trioctyl-, bromide; Bromotris(octyl)silane; Tris(n-octyl)silyl bromide; n-Octylsilanetriol trioctyl ester bromide; Silane, bromotrioctyl-; Tri-n-octylsilyl bromide
EINECS	Contact for details

Quality Control

Our Bromotrioctylsilane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay (GC/HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure it meets the high-purity standards required for research and industrial applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~0.92 g/mL
Refractive Index (n20D)	~1.465

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