Description

4-(4-Bromo-Phenyl)-But-3-En-2-One is a versatile brominated aromatic enone, a key building block in advanced organic synthesis. This compound matters for its role as a crucial intermediate in the production of complex molecules, offering a reactive handle for further functionalization. Pharmaceutical, agrochemical, and material science R&D laboratories need it for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging its bromophenyl moiety for bioactivity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and organic electronic materials.
• Ligand and Catalyst Development: Employed in the preparation of complex ligands for transition metal catalysis and asymmetric synthesis.
• Academic & Industrial R&D: A fundamental reagent for method development and exploring new carbon-carbon bond forming reactions in organic chemistry.
• Fine Chemical Production: Integral to the multi-step synthesis of dyes, flavors, and fragrances requiring specific brominated aromatic structures.

Basic Information

Product Name	4-(4-Bromo-Phenyl)-But-3-En-2-One
CAS No.	3815-31-4
Molecular Formula	C10H9BrO
Molecular Weight	225.08 g/mol
Synonyms	4-(4-Bromophenyl)-3-buten-2-one; 1-(4-Bromophenyl)-1-buten-3-one; 4-Bromobenzylideneacetone; (E)-4-(4-Bromophenyl)but-3-en-2-one; p-Bromobenzylideneacetone; 4'-Bromochalcone; 3-Buten-2-one, 4-(4-bromophenyl)-; 4-(p-Bromophenyl)-3-buten-2-one
EINECS	Contact for details

Quality Control

Our 4-(4-Bromo-Phenyl)-But-3-En-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with batch-specific data are available upon request.

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 oxidizing agents and bases. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	78°C - 82°C
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.