Description

3,4-Pentadien-2-One, 1-Bromo- is a specialized brominated dienone compound that serves as a versatile and reactive synthetic intermediate. Its unique structure, featuring both a bromine atom and a conjugated dienone system, makes it a valuable building block for constructing complex molecular architectures in advanced organic synthesis. This high-purity chemical is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring bromine incorporation or Diels-Alder cycloaddition reactions.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactivity to create novel bioactive molecules.
• Material Science: Serves as a monomer or cross-linking agent in the research of specialty polymers and advanced organic electronic materials.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for complex organic transformations, including nucleophilic substitutions and cyclization reactions.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and protein interactions.

Basic Information

Item	Detail
Product Name	3,4-Pentadien-2-One, 1-Bromo-
CAS No.	20207-57-2
Molecular Formula	C5H5BrO
Molecular Weight	160.99 g/mol
Synonyms	1-Bromo-3,4-pentadien-2-one; 1-Bromopenta-3,4-dien-2-one; Bromoallene ketone; 3,4-Pentadien-2-one, 1-bromo-; Allenyl bromomethyl ketone; Bromomethyl allenyl ketone; (3,4-Pentadien-2-on-1-yl)bromide
EINECS	Contact for details

Quality Control

Our production of 1-Bromo-3,4-pentadien-2-one adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment 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 a controlled room temperature (15-25°C). Due to its highly volatile and light-sensitive nature, containers must be kept tightly sealed and away from heat sources and open flame. Use appropriate personal protective equipment and handling procedures in a fume hood.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.