Description

Ethylene Bis(2-Bromoisobutyrate) is a high-purity, bifunctional brominated ester widely used as an advanced initiator in controlled radical polymerization. This compound is critical for achieving precise polymer architectures, including block copolymers and polymer networks, with excellent control over molecular weight and dispersity. It is an essential raw material for researchers and manufacturers in the polymer, specialty chemical, and advanced materials sectors seeking to develop innovative products with tailored properties.

Application

• ATRP Initiator: Serves as a highly efficient difunctional initiator for Atom Transfer Radical Polymerization (ATRP) to synthesize well-defined polymers and complex macromolecular structures.
• Block Copolymer Synthesis: Enables the precise production of di- and tri-block copolymers for applications in adhesives, thermoplastic elastomers, and compatibilizers.
• Polymer Network & Gel Formation: Used to create cross-linked polymer networks and hydrogels with controlled mesh sizes for biomedical and separation technologies.
• Surface-Initiated Polymerization: Facilitates the grafting of polymer brushes from surfaces for creating anti-fouling coatings, lubricious surfaces, and functionalized nanomaterials.
• Macromolecular Design: A key building block for synthesizing star-shaped polymers, hyperbranched polymers, and other complex polymer topologies.
• Research & Development: A vital tool in academic and industrial R&D labs for exploring new polymerization mechanisms and advanced material properties.

Basic Information

Product Name	Ethylene Bis(2-Bromoisobutyrate)
CAS No.	248603-11-4
Molecular Formula	C12H20Br2O4
Molecular Weight	388.10 g/mol
Synonyms	1,2-Ethanediyl Bis(2-Bromo-2-methylpropanoate); Ethylene Glycol Bis(2-Bromoisobutyrate); 2-Bromo-2-methylpropanoic Acid 1,2- Ethanediylester; EBiB; Difunctional ATRP Initiator; Bis(2-bromoisobutyryloxy)ethane; Ethylene Bis(α-bromoisobutyrate)
EINECS	Contact for details

Quality Control

Our Ethylene Bis(2-Bromoisobutyrate) is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for advanced polymerization applications. Certificates of Analysis (COA) with detailed specifications are provided for each shipment to guarantee batch-to-batch consistency and performance reliability.

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). Keep away from strong acids and incompatible materials. Handle and store under an inert atmosphere for prolonged shelf life.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	55 - 60 °C
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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