Description

trans-4-Bromo-β-Nitrostyrene is a versatile and high-value brominated aromatic compound, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both a bromo and a nitro-substituted vinyl group, makes it an essential building block for constructing complex molecules. This product is primarily sought after by research institutions and chemical manufacturers in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates, particularly those targeting central nervous system disorders and infectious diseases.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactivity to create compounds with specific biological activity.
• Material Science Research: Employed in the creation of organic semiconductors, liquid crystals, and photoactive polymers due to its electron-withdrawing nitro group and planar structure.
• Cross-Coupling Reactions: Serves as an excellent substrate for palladium-catalyzed reactions like Suzuki, Heck, and Stille couplings, enabling the formation of complex biaryl systems.
• Organic Synthesis Building Block: Utilized in Michael additions, cycloadditions, and other C-C bond-forming reactions to introduce both bromine and nitro functionality into target molecules.
• Chemical Biology Probes: Acts as a starting material for synthesizing fluorescent tags or activity-based probes for studying biological processes.

Basic Information

Product Name	trans-4-Bromo-β-Nitrostyrene
CAS No.	5153-71-9
Molecular Formula	C8H6BrNO2
Molecular Weight	228.04 g/mol
Synonyms	(E)-1-(4-Bromophenyl)-2-nitroethene; (E)-4-Bromo-β-nitrostyrene; trans-1-(4-Bromophenyl)-2-nitroethylene; 4-Bromo-β-nitrostyrene; p-Bromo-β-nitrostyrene; (E)-2-(4-Bromophenyl)-1-nitroethene; BNS; 4-Bromostyrene β-nitronate
EINECS	225-910-8

Quality Control

Our trans-4-Bromo-β-Nitrostyrene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality parameters. We are committed to meeting the stringent requirements of research and development as well as scale-up production.

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). This compound is light-sensitive and should be handled under an inert atmosphere for prolonged stability. Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Yellow to pale brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	118 - 122 °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.