Understanding the fundamental chemistry of key industrial intermediates is crucial for chemists, researchers, and procurement specialists alike. 4-Chloromethyl Styrene (CAS 1592-20-7), commonly known as vinylbenzyl chloride, is a bifunctional organic compound that plays a vital role in the synthesis of a wide array of advanced materials. Its unique structure, combining a polymerizable vinyl group with a reactive benzylic chloride, dictates its chemical behavior and industrial significance. As a dedicated manufacturer and supplier, we aim to illuminate the chemistry behind this versatile monomer, guiding those looking to buy 4-Chloromethyl Styrene.

The synthesis of 4-Chloromethyl Styrene typically involves the chlorination of 4-vinyltoluene. Given that commercial vinyltoluene often exists as a mixture of isomers, the resulting 4-Chloromethyl Styrene is also frequently produced as a mixture of isomers, with varying proportions of ortho and para configurations. The presence of the vinyl group means that stabilizers, such as t-butylcatechol (TBC), are usually added to prevent unwanted polymerization during storage and transportation. Purity levels, typically reported by manufacturers as percentages like ≥97% or ≥98%, are critical parameters that influence its suitability for specific reactions.

The reactivity of 4-Chloromethyl Styrene is primarily driven by its two functional groups. The vinyl group readily undergoes addition polymerization, especially under free-radical initiation, allowing it to be incorporated into polymer chains. This process is fundamental to its use in creating homopolymers or copolymers for applications like specialty coatings, ion-exchange resins, and functional membranes. The chloromethyl group, being a benzylic halide, is highly reactive towards nucleophilic substitution reactions (SN1 and SN2). This allows for the attachment of various functionalities, such as amines, thiols, or alcohols, to the polymer backbone after polymerization, or it can serve as a crosslinking site.

Industrially, these reactions translate into significant applications. For example, in the synthesis of ion-exchange resins, the chloromethyl group is often reacted with tertiary amines or other nucleophiles to create charged sites necessary for ion exchange. In the realm of polymer modification, grafting processes utilize the chloromethyl group to append specific side chains, thereby altering the polymer's physical and chemical properties, such as solubility, thermal stability, or surface characteristics. When considering the price for 4-Chloromethyl Styrene, it's important to factor in the precision required for these chemical transformations.

As a manufacturer committed to quality and reliability, we understand the intricacies of 4-Chloromethyl Styrene chemistry. Whether your interest lies in its polymerization characteristics or its nucleophilic reactivity, we are equipped to supply you with this vital chemical intermediate. We encourage researchers and industrial chemists to contact us to discuss their specific needs and to buy 4-Chloromethyl Styrene that meets the stringent requirements of modern chemical synthesis.