Description

2-(4-Chlorophenyl)-1-Butene is a versatile chlorinated aromatic alkene intermediate of significant importance in advanced organic synthesis. Its unique structure, featuring both a reactive alkene group and a chlorinated phenyl ring, makes it a valuable building block for creating complex molecules. This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory diseases.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging the chlorophenyl moiety for bioactivity.
• Liquid Crystal & OLED Material Research: Serves as a foundational unit in the development of organic semiconductors and liquid crystal compounds for electronic displays.
• Polymer Modification: Acts as a monomer or cross-linking agent for specialty polymers, imparting specific chemical resistance or thermal properties.
• Organic Synthesis Building Block: Employed in cross-coupling reactions (e.g., Heck, Suzuki) and other catalytic transformations to construct complex aromatic systems in academic and industrial R&D.
• Flavor & Fragrance Ingredient Synthesis: Utilized in the multi-step synthesis of certain aromatic compounds used in high-value fragrance and flavor formulations.

Basic Information

Product Name	2-(4-Chlorophenyl)-1-Butene
CAS No.	21758-20-3
Molecular Formula	C10H11Cl
Molecular Weight	166.65 g/mol
Synonyms	1-Butene, 2-(4-chlorophenyl)-; 2-(p-Chlorophenyl)-1-butene; 4-Chlorophenylbutene; (4-Chlorophenyl)butene; 1-Butene, 2-(4-chlorophenyl)-; 2-(4-Chlorophenyl)but-1-ene; p-Chloro-α-ethylstyrene; α-Ethyl-4-chlorostyrene
EINECS	Contact for details

Quality Control

Our 2-(4-Chlorophenyl)-1-Butene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 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.