Description

Octadecyl 2-Bromoisobutyrate is a specialized organic compound belonging to the class of brominated esters, widely utilized as a key intermediate and functional monomer in advanced polymer synthesis. This high-purity chemical is essential for researchers and manufacturers requiring precise control over polymer architecture and surface properties. It is particularly critical for industries focused on developing high-performance materials, including specialty coatings, adhesives, and functional polymers.

Application

• ATRP Initiator: Serves as a crucial surface-initiated atom transfer radical polymerization (SI-ATRP) initiator for grafting polymers from various substrates.
• Surface Modification: Used to create hydrophobic or functional polymer brushes on surfaces like silicon, gold, or polymers for tailored wettability and bio-interfacial properties.
• Block Copolymer Synthesis: Acts as a macro-initiator for the synthesis of well-defined block copolymers with controlled molecular weight and low polydispersity.
• Nanomaterial Fabrication: Employed in the functionalization of nanoparticles and nanotubes to impart specific chemical functionality or improve dispersion in polymer matrices.
• Bioconjugation & Drug Delivery: Facilitates the synthesis of polymer-protein conjugates and the creation of smart polymeric carriers for controlled drug release systems.
• Adhesive & Coating Formulations: Incorporated as a comonomer to introduce specific functional groups that enhance adhesion, durability, or cross-linking in final products.

Basic Information

Product Name	Octadecyl 2-Bromoisobutyrate
CAS No.	474303-15-6
Molecular Formula	C22H43BrO2
Molecular Weight	419.48 g/mol
Synonyms	Stearyl 2-Bromoisobutyrate; 2-Bromo-2-methylpropanoic Acid Octadecyl Ester; n-Octadecyl 2-Bromo-2-methylpropionate; 2-Bromoisobutyric Acid Stearyl Ester; C18 ATRP Initiator; Octadecyl α-Bromoisobutyrate; 1-Octadecanol, 2-bromo-2-methylpropanoate
EINECS	Contact for details

Quality Control

Our Octadecyl 2-Bromoisobutyrate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity, typically exceeding 97% (GC). Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We support research and industrial scale requirements with a commitment to reliable supply and technical data transparency.

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 an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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