Description

Propanoic Acid, 2-Bromo-2-Methyl-, 3-(Trichlorosilyl)Propyl Ester is a specialized organosilane coupling agent featuring both a reactive silyl group and a brominated ester moiety. This dual functionality makes it a critical intermediate for imparting surface adhesion and modifying material properties in advanced polymer systems. It is essential for manufacturers in the silicone, adhesive, and advanced composite materials industries seeking to enhance product performance and durability.

Application

• Surface Modification Agent: Used as a coupling agent to improve the adhesion between inorganic fillers (like glass, silica) and organic polymer matrices in composites.
• Silicone Crosslinking: Serves as a functional crosslinker or chain extender in silicone rubber and resin formulations to tailor mechanical properties.
• Adhesive & Sealant Formulations: Enhances bonding strength and environmental resistance in high-performance polyurethane, epoxy, and acrylic-based adhesives and sealants.
• Hybrid Material Synthesis: A key precursor in the sol-gel process for creating organic-inorganic hybrid coatings with specific optical or barrier properties.
• Polymer Functionalization: Used to introduce reactive bromine sites onto polymer backbones for further chemical modification or grafting.
• Waterproofing Treatments: Applied in formulations for textiles, stone, and construction materials to impart durable water repellency.

Basic Information

Product Name	Propanoic Acid, 2-Bromo-2-Methyl-, 3-(Trichlorosilyl)Propyl Ester
CAS No.	688359-84-4
Molecular Formula	C7H12BrCl3O2Si
Molecular Weight	354.52 g/mol
Synonyms	3-(Trichlorosilyl)propyl 2-bromo-2-methylpropanoate; 2-Bromo-2-methylpropanoic acid 3-(trichlorosilyl)propyl ester; (3-(Trichlorosilyl)propyl) 2-bromo-2-methylpropanoate; γ-Trichlorosilylpropyl 2-bromo-isobutyrate; Trichloro(3-((2-bromo-2-methylpropanoyl)oxy)propyl)silane; Bromo-isobutyrate trichlorosilane propyl ester; Silane coupling agent, bromoester-functional
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2-Bromo-2-Methyl-, 3-(Trichlorosilyl)Propyl Ester 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 R&D applications, ensuring reliable performance in your formulations.

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 hydrolysis and maintain product integrity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Density (at 20°C)	~1.45 g/cm³
Refractive Index (n20D)	~1.480
Chloride Content (as Si-Cl)	Contact for details
Bromine Content	Contact for details

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