Description

Butanedioic Acid, 2-Bromo-2-Methyl-, 1-Ethyl 4-Methyl Ester, Radical Ion(1+) (9Ci) is a specialized brominated succinate derivative with a cationic radical structure, designed for advanced synthetic and polymerization applications. This compound is valued for its role as a reactive intermediate and potential initiator or chain transfer agent in controlled radical polymerization processes. It is primarily utilized by research chemists and process engineers in the pharmaceutical, advanced material science, and specialty polymer sectors seeking to develop novel macromolecular architectures.

Application

• Controlled/Living Radical Polymerization (CRP): Acts as a potential initiator or chain transfer agent in techniques such as Atom Transfer Radical Polymerization (ATRP) or Reversible Addition-Fragmentation Chain-Transfer (RAFT) polymerization.
• Specialty Polymer Synthesis: Used in the research and development of novel polymers with specific functional groups, branching, or block copolymer structures.
• Organic Synthesis Intermediate: Serves as a key building block for the synthesis of complex molecules in pharmaceutical and agrochemical research due to its reactive bromine and ester functionalities.
• Material Science Research: Employed in the development of new polymeric materials with tailored properties for coatings, adhesives, or advanced composites.
• Surface Modification: Can be used to graft polymer chains onto surfaces for creating functionalized materials with specific chemical or physical characteristics.

Basic Information

Item	Detail
Product Name	Butanedioic Acid, 2-Bromo-2-Methyl-, 1-Ethyl 4-Methyl Ester, Radical Ion(1+) (9Ci)
CAS No.	149243-35-6
Molecular Formula	C9H15BrO4+
Molecular Weight	Contact for details
Synonyms	2-Bromo-2-methylsuccinic acid 1-ethyl 4-methyl ester radical cation; 1-Ethyl 4-methyl 2-bromo-2-methylsuccinate radical ion(1+); Succinic acid, 2-bromo-2-methyl-, 1-ethyl 4-methyl ester, radical ion(1+); Bromomethylsuccinate ethyl methyl ester radical cation; (9Ci) designation compound 149243-35-6
EINECS	Contact for details

Quality Control

Our production of this advanced chemical intermediate adheres to stringent Good Manufacturing Practice (GMP) principles where applicable. Each batch is characterized using advanced analytical techniques including NMR, HPLC, and Mass Spectrometry to confirm identity, purity, and radical ion integrity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). This material is light-sensitive (store away from light). For long-term stability, consider storage under an inert atmosphere to preserve the reactive radical ion species.

Specification

Item	Specification
Appearance	Contact for details
Identification (NMR)	Conforms
Identification (MS)	Conforms
Purity (HPLC)	≥ 95% (Typical)
Related Substances (HPLC)	Contact for details
Solvent Content (Residual)	Contact for details

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