Description

3,5-Dichlorostyrene is a versatile halogenated styrene monomer with significant utility in advanced material synthesis. Its value lies in its ability to introduce dichlorophenyl functionality into polymers, enhancing properties such as thermal stability, chemical resistance, and flame retardancy. This compound is essential for R&D chemists and manufacturers in the polymer, specialty chemical, and pharmaceutical intermediate sectors seeking to develop high-performance materials.

Application

• Key monomer for the synthesis of specialty polymers and copolymers with enhanced flame-retardant properties.
• Intermediate in organic synthesis for agrochemicals and pharmaceutical active ingredients.
• Building block for advanced epoxy resins and thermosetting plastics requiring high thermal and chemical stability.
• Used in the production of ion-exchange resins and functionalized polymeric materials.
• Component in the research and development of novel liquid crystal polymers (LCPs) and engineering plastics.
• Precursor for synthesizing ligands and complexes in catalytic applications.

Basic Information

Product Name	3,5-Dichlorostyrene
CAS No.	2155-42-2
Molecular Formula	C8H6Cl2
Molecular Weight	173.04 g/mol
Synonyms	1,3-Dichloro-5-ethenylbenzene; 3,5-Dichloro-1-ethenylbenzene; m,m-Dichlorostyrene; 3,5-Dichlorostyrol; 3,5-Dichlorophenylethylene; 3,5-Dichlorovinylbenzene; 3,5-Dichlorostyrene monomer; 2155-42-2
EINECS	218-459-1

Quality Control

Our 3,5-Dichlorostyrene is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to confirm identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay and impurity profiles to meet your specific R&D or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is 2-8°C to maintain stability and extend shelf life. Keep container tightly sealed when not in use to prevent moisture absorption and oxidation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 2.0%
Specific Gravity (20°C)	1.30 - 1.35
Refractive Index (20°C)	1.570 - 1.580

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