Description

4-Hydroxybutyl α-Bromoisobutyrate is a specialized bifunctional monomer featuring both a hydroxyl group and an atom transfer radical polymerization (ATRP) initiator moiety. This compound matters as a critical building block for synthesizing advanced polymers with controlled architectures and tailored end-group functionality. Industries such as pharmaceuticals, advanced materials, and specialty chemical manufacturing need it for creating functionalized polymers, hydrogels, and biocompatible materials.

Application

• ATRP Initiator: Serves as a key initiator in atom transfer radical polymerization for synthesizing polymers with precise molecular weights and low polydispersity.
• Macromonomer Synthesis: Used to create telechelic polymers and block copolymers with hydroxyl end-groups for further chemical modification.
• Bioconjugation & Drug Delivery: Enables the synthesis of polymer-drug conjugates and functionalized carriers due to its reactive hydroxyl and bromoester groups.
• Hydrogel & Network Formation: Acts as a crosslinker or functional monomer in the preparation of hydrogels and polymer networks for biomedical applications.
• Surface Modification: Facilitates the grafting of polymer brushes onto surfaces (e.g., silicon, gold) to alter surface properties like wettability and biocompatibility.
• Specialty Coatings & Adhesives: Employed in formulating advanced coatings and adhesives where controlled polymerization and specific functional groups are required.

Basic Information

Product Name	4-Hydroxybutyl α-Bromoisobutyrate
CAS No.	274693-62-8
Molecular Formula	C8H15BrO3
Molecular Weight	239.11 g/mol
Synonyms	2-Bromo-2-methylpropanoic Acid 4-Hydroxybutyl Ester; 4-Hydroxybutyl 2-Bromo-2-methylpropanoate; α-Bromoisobutyric Acid 4-Hydroxybutyl Ester; 4-Hydroxybutyl 2-Bromoisobutyrate; HBBIB; HO-(CH2)4-OCOC(Br)(CH3)2; 2-Bromo-2-methylpropionic Acid 4-Hydroxybutyl Ester
EINECS	Contact for details

Quality Control

Our 4-Hydroxybutyl α-Bromoisobutyrate undergoes rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

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 organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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