Description

1,1,2,2-Tetrabromo-1,2-Dihydrobenzocyclobutene is a highly functionalized, polybrominated organic compound characterized by its unique benzocyclobutene core. This structure makes it a valuable and versatile advanced synthetic intermediate for constructing complex molecular architectures in pharmaceutical and materials chemistry. It is primarily sought after by R&D chemists and process development scientists in the fine chemical, agrochemical, and specialty polymer industries for introducing multiple bromine functionalities in a single step.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for introducing bromine atoms for further functionalization or as part of the final drug scaffold.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides where the brominated benzocyclobutene moiety contributes to biological activity.
• Polymer & Materials Science: Acts as a monomer or cross-linking agent for the production of high-performance polymers, flame retardants, and specialty resins with enhanced thermal or mechanical properties.
• Ligand & Catalyst Development: Employed in organometallic chemistry to create novel ligands and catalysts for asymmetric synthesis and other catalytic processes.
• Organic Electronics: Investigated as a precursor for the synthesis of organic semiconductors and other electronic materials due to its rigid, conjugated potential.
• Chemical Research: Utilized in academic and industrial laboratories for methodology development and exploring new chemical reactions involving strained ring systems and halogenated compounds.

Basic Information

Product Name	1,1,2,2-Tetrabromo-1,2-Dihydrobenzocyclobutene
CAS No.	26448-34-0
Molecular Formula	C8H4Br4
Molecular Weight	435.74 g/mol
Synonyms	1,1,2,2-Tetrabromobenzocyclobutene; 1,2-Dihydro-1,1,2,2-tetrabromobenzocyclobutene; Benzocyclobutene, 1,1,2,2-tetrabromo-1,2-dihydro-; Tetrabromobenzocyclobutene; BCB-Tetrabromide
EINECS	Contact for details

Quality Control

Every batch of 1,1,2,2-Tetrabromo-1,2-Dihydrobenzocyclobutene is produced and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. Comprehensive analytical techniques, including HPLC, GC, and NMR, are employed to verify identity, purity, and impurity profiles. Certificates of Analysis (COA) detailing all test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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