Description

3-(Trimethoxysilylpropyl)-2-Bromo-2-Methylpropionate is a specialized bifunctional organosilane coupling agent that combines a hydrolyzable methoxysilyl group with a reactive bromoester moiety. This unique structure makes it a critical intermediate for introducing functional groups and enhancing adhesion between organic polymers and inorganic substrates. It is essential for manufacturers in the advanced materials sector seeking to develop high-performance coatings, adhesives, and composite materials with tailored surface properties and improved durability.

Application

• As a key coupling agent in the formulation of silane-modified polymers (SMP) and hybrid organic-inorganic materials.
• Surface modification of inorganic fillers (e.g., silica, glass fibers) to improve dispersion and interfacial bonding in polymer composites.
• Synthesis of functionalized silanes for adhesion promoters in specialty coatings, sealants, and adhesives.
• As a reactive intermediate in the preparation of advanced silicone resins and block copolymers with specific properties.
• Research and development of novel drug delivery systems and biomedical materials where controlled surface functionality is required.
• Modification of nanoparticles for use in catalysis and electronic applications.

Basic Information

Product Name	3-(Trimethoxysilylpropyl)-2-Bromo-2-Methylpropionate
CAS No.	314021-97-1
Molecular Formula	C10H21BrO5Si
Molecular Weight	329.27 g/mol
Synonyms	2-Bromo-2-methylpropionic acid 3-(trimethoxysilyl)propyl ester; (3-Trimethoxysilylpropyl) 2-bromo-2-methylpropionate; 3-(Trimethoxysilyl)propyl 2-bromoisobutyrate; γ-Trimethoxysilylpropyl 2-bromo-2-methylpropionate; Bromoisobutyrate-functionalized trimethoxysilane; ATRP initiator silane; Silane coupling agent with bromoester group
EINECS	Contact for details

Quality Control

Our production of 3-(Trimethoxysilylpropyl)-2-Bromo-2-Methylpropionate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee compliance with your technical requirements and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent hydrolysis. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Refractive Index (n20/D)	1.430 - 1.450
Density (g/mL, 25°C)	1.20 - 1.30

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