Description

2-Bromo-4,5-Hexadien-3-One is a specialized brominated alkenone building block with a reactive allene moiety. This compound is valued for its unique structure, which enables its use as a versatile intermediate in advanced organic synthesis, particularly in cycloaddition and cross-coupling reactions. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new crop protection agents and herbicides.
• Material Science: Serves as a precursor for functionalized polymers and specialty chemicals with tailored properties.
• Organic Synthesis: Employed in [2+2] and other cycloaddition reactions to form complex carbocyclic and heterocyclic systems.
• Cross-Coupling Reactions: Acts as an electrophilic partner in palladium-catalyzed couplings for C-C bond formation.
• Academic & Industrial R&D: A valuable reagent for methodology development and exploring new chemical spaces in research laboratories.

Basic Information

Product Name	2-Bromo-4,5-Hexadien-3-One
CAS No.	20207-58-3
Molecular Formula	C6H7BrO
Molecular Weight	175.02 g/mol
Synonyms	2-Bromohexa-4,5-dien-3-one; 4,5-Hexadien-3-one, 2-bromo-; 3-Hexadien-5-one, 2-bromo-; 2-Bromo-3-oxo-1,4-hexadiene; Bromoallene ketone
EINECS	Contact for details

Quality Control

Our 2-Bromo-4,5-Hexadien-3-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque or amber glass, or stored in dark conditions.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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