The product under discussion is High Quality 4-bromostyrene with the CAS number 2039-82-9, offered at a low price. 4-bromostyrene is an organic compound with the molecular formula C₈H₇Br. It appears as a colorless to light yellow liquid.
Some key physical parameters of 4-bromostyrene include a boiling point around 219 - 221 °C and a density of approximately 1.406 g/mL at 25 °C. It has a refractive index of about 1.590 - 1.594. These properties make it suitable for various chemical processes and industrial applications.
4-bromostyrene has a wide range of uses across different industries. In the polymer industry, it serves as a monomer for the synthesis of specialty polymers. By copolymerizing with other monomers, it can introduce bromine atoms into the polymer backbone. These brominated polymers have enhanced flame - retardant properties, making them ideal for applications in the electronics and construction industries, where fire safety is of utmost importance.
In the field of organic synthesis, 4-bromostyrene is a valuable building block. It can be used in cross - coupling reactions, such as the Suzuki - Miyaura reaction and the Heck reaction. These reactions enable the formation of new carbon - carbon bonds, leading to the synthesis of complex organic molecules with potential pharmaceutical or biological activities.
Moreover, in the field of materials science, thin films or coatings can be prepared using 4-bromostyrene. These films can have unique optical and electrical properties, which are useful for applications in sensors and optoelectronic devices.
When handling 4-bromostyrene, it is essential to follow proper safety procedures. Wear appropriate personal protective equipment, including gloves, safety glasses, and a lab coat. Work in a well - ventilated area or under a fume hood to avoid inhalation of vapors.
For laboratory synthesis, measure the required amount of 4-bromostyrene accurately using a pipette or a burette. Add it slowly to the reaction mixture under stirring conditions. Control the reaction temperature and time according to the specific reaction requirements. After the reaction is complete, follow standard purification techniques such as distillation, chromatography, or recrystallization to obtain the desired product.
In industrial applications, the storage and handling facilities should be designed to prevent leaks and spills. Proper grounding and bonding should be ensured during transfer operations to avoid static electricity - induced hazards.
Case Study 1: Polymer Production in the Electronics Industry
A leading electronics manufacturer wanted to develop a flame - retardant plastic housing for its electronic devices. They used 4-bromostyrene as a monomer in the production of a copolymer. By carefully controlling the ratio of 4-bromostyrene and other monomers, they were able to produce a polymer with excellent mechanical properties and high flame - retardancy. The resulting plastic housing passed all the strict fire safety standards, improving the overall safety of their electronic products.
Case Study 2: Organic Synthesis in the Pharmaceutical Industry
A pharmaceutical research group aimed to synthesize a new drug candidate. They used 4-bromostyrene as a key building block in a multi - step synthesis. Through a series of cross - coupling reactions, they were able to construct the complex molecular structure of the target compound. The use of 4-bromostyrene simplified the synthetic route and increased the overall yield of the final product, which showed promising biological activity in preliminary tests.
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