Description

2,5-Dichlorostyrene is a versatile halogenated styrene derivative, primarily valued as a key monomer and intermediate in advanced polymer synthesis. Its incorporation into polymer chains imparts enhanced chemical resistance, thermal stability, and specific optical properties to the resulting materials. This compound is essential for R&D chemists and production engineers in the specialty polymer, agrochemical, and pharmaceutical intermediate sectors.

Application

• Specialty Polymer Synthesis: Serves as a critical monomer for producing high-performance resins, including modified polystyrenes and copolymers with enhanced flame retardancy and chemical resistance.
• Agrochemical Intermediates: Used in the synthesis of advanced pesticides and herbicides, where the dichlorostyrene moiety contributes to biological activity.
• Pharmaceutical Research: Acts as a building block in the development of novel active pharmaceutical ingredients (APIs) and other fine chemicals.
• Liquid Crystal & OLED Materials: A valuable precursor in the research and production of organic electronic materials, such as liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Adhesive & Coating Formulations: Incorporated into specialty adhesives and coatings to improve durability and environmental stability.
• Cross-linking Agent: Utilized to introduce cross-links into polymer networks, enhancing mechanical strength and thermal properties.

Basic Information

Product Name	2,5-Dichlorostyrene
CAS No.	1123-84-8
Molecular Formula	C8H6Cl2
Molecular Weight	173.04 g/mol
Synonyms	1,4-Dichloro-2-ethenylbenzene; 2,5-Dichloro-1-ethenylbenzene; 2,5-Dichlorophenylethylene; 2,5-Dichlorovinylbenzene; 2,5-Dichlorostyrol; m-Dichlorostyrene; 2,5-Dichlorostyrolene; (2,5-Dichlorophenyl)ethylene
EINECS	214-374-6

Quality Control

Our 2,5-Dichlorostyrene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	1.28 - 1.32
Refractive Index (n20D)	1.580 - 1.590

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