1-Chloro-4-vinylbenzene, CAS No. 1073-67-2

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1073-67-2

Catalog No. EBD14341

CAS 1073-67-2

Name 1-Chloro-4-vinylbenzene

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Basic Information

Synonyms: p-chlorostyrene 1-chloro-4-ethenyl-benzen 1-chloro-4-ethenylbenzene 4-chloro-styren benzene,4-chloro-1-ethenyl- benzene,1-chloro-4-ethenyl- parachlorostyrene 4-chlorostyrene 1-Chloro-4-vinylbenzene

Molecular Formula: C8H7Cl

Molecular Weight: 138.59

MDL Number: MFCD00000632

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Styrenic Monomers Synthetic Chemistry > Organic Building Blocks > Halogenated Compounds

Product Description:

4-Chlorostyrene is an organic compound featuring a styrene backbone with a chlorine atom substituted at the para position of the benzene ring. It is a colorless to pale yellow liquid with a characteristic aromatic odor. This compound is a reactive monomer containing both a vinyl group and an aromatic chloro substituent. Its primary industrial application is as a functional monomer in polymer chemistry. It is copolymerized with other monomers, such as styrene, acrylates, or butadiene, to introduce chlorine functionality into polymer chains. This modification can impart specific properties to the resulting polymers, including enhanced flame retardancy, improved adhesion, altered refractive index, and increased chemical resistance. These polymers find use in specialty coatings, adhesives, optical materials, and as precursors for further chemical modification. As a versatile synthetic building block, the vinyl group allows for polymerization, while the chloro group serves as a handle for further functionalization via cross-coupling reactions (e.g., Suzuki, Heck reactions). It requires careful handling due to its flammability, potential to form peroxides upon storage, and irritant properties.

Physical Properties

Melting Point: -16 °C

Boiling Point: 192 °C(lit.)

Flash Point: 68 °C

Density: 1.155 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.565(lit.)

Storage: 2-8°C

Safety Information

Packing Level: III

Hazard Category: /

Transport Codes: 1993

Analytical Data

Appearance: clear colourless to slightly yellow liquid