The product we are introducing is Factory Supply Phenylacetylene with the CAS number 536 - 74 - 3. Phenylacetylene is an organic compound with the chemical formula C₈H₆. It is a colorless to yellowish liquid under normal conditions. It has a distinctive odor and is insoluble in water but soluble in many organic solvents such as ethanol, ether, and benzene.
Its molecular weight is approximately 102.13 g/mol. The boiling point of phenylacetylene is around 142 - 144 °C, and the melting point is - 44.8 °C. It has a density of about 0.930 g/mL at 25 °C. These physical and chemical properties are crucial for understanding its behavior in different applications.
Phenylacetylene has a wide range of applications in various industries. In the field of organic synthesis, it is a valuable building block. It can be used in the synthesis of a variety of complex organic compounds, such as pharmaceuticals, agrochemicals, and materials with special properties. For example, it can participate in reactions like Sonogashira coupling, which is widely used in the construction of carbon - carbon bonds in organic molecules.
In the materials science, phenylacetylene can be used in the preparation of polymers with unique optical or electrical properties. It can also be used as a precursor for the synthesis of liquid - crystal materials, which are widely used in displays and other optical devices.
When using phenylacetylene, proper safety precautions should be taken. It should be stored in a cool, dry, and well - ventilated place away from heat sources and oxidizing agents. When handling phenylacetylene, appropriate personal protective equipment, such as gloves and goggles, should be worn.
In a laboratory or industrial setting, phenylacetylene is usually added to the reaction system using a syringe or a pipette under an inert gas atmosphere (such as nitrogen or argon) to prevent oxidation. The reaction conditions, such as temperature, reaction time, and the amount of reactants, should be carefully controlled according to the specific reaction requirements.
Caso 1: Síntese farmacêutica
In the synthesis of a certain anti - inflammatory drug, phenylacetylene is used as a key intermediate. The reaction starts with the Sonogashira coupling reaction between phenylacetylene and a bromo - substituted aromatic compound. Under the catalysis of a palladium - copper complex, the reaction proceeds smoothly at room temperature. After a series of subsequent reactions, the final anti - inflammatory drug is obtained. The use of phenylacetylene in this synthesis route not only simplifies the reaction steps but also improves the yield of the final product.
Caso 2: Preparação do polímero
For the preparation of a polymer with non - linear optical properties, phenylacetylene is copolymerized with a vinyl monomer. The reaction is carried out in an organic solvent at a certain temperature. By adjusting the ratio of the two monomers and the reaction conditions, polymers with different structures and properties can be obtained. These polymers show potential applications in optical communication and data storage fields.
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Este é o William, Diretor Executivo da Zhishang Chemical Co., Ltd.
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