Description

4-Chlorostyrene is a halogenated styrene monomer characterized by a reactive vinyl group and a chlorine substituent on the aromatic ring. This unique structure makes it a versatile and valuable chemical intermediate for introducing chlorophenyl functionality into polymers and specialty organic compounds. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, pharmaceutical, and agrochemical sectors for synthesis and material modification.

Application

• Polymer Science & Material Modification: Serves as a key monomer for synthesizing specialty polymers and copolymers, such as poly(4-chlorostyrene), to impart specific properties like altered refractive index, thermal stability, or chemical resistance.
• Pharmaceutical Intermediates: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules where the chlorostyrene moiety is a critical structural component.
• Agrochemical Synthesis: Acts as a building block in the production of advanced herbicides, fungicides, and pesticides, leveraging its aromatic chlorine for bioactivity.
• Liquid Crystal & OLED Materials: Employed in the research and development of advanced electronic display materials and organic light-emitting diodes (OLEDs) due to its molecular structure.
• Cross-linking Agent: Functions as a cross-linking monomer in the production of ion-exchange resins, adhesives, and coatings to enhance network density and performance.
• Chemical Research (R&D): Used extensively in academic and industrial research laboratories for exploring new organic reactions, catalytic processes, and novel material properties.

Basic Information

Product Name	4-Chlorostyrene
CAS No.	1073-67-2
Molecular Formula	C8H7Cl
Molecular Weight	138.59 g/mol
Synonyms	p-Chlorostyrene; 1-Chloro-4-vinylbenzene; 4-Vinylchlorobenzene; (4-Chlorophenyl)ethylene; 4-Chlorophenylethylene; NSC 60545; p-Chlorovinylbenzene; 4-Cl-St
EINECS	214-033-0

Quality Control

Our 4-Chlorostyrene is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee compliance with your technical requirements and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to prevent polymerization and oxidation. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	100-200 ppm

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