The product we are introducing is 4-(chloromethyl)benzoic acid with the CAS number 1642 - 81 - 5. It is factory - supplied and available at the best price. The chemical formula of 4-(chloromethyl)benzoic acid is C₈H₇ClO₂. Its molecular weight is approximately 170.59 g/mol. In appearance, it is typically a white to off - white crystalline powder. This product has certain melting and boiling points. The melting point is around 110 - 112°C. It should be stored in a cool, dry place away from direct sunlight and heat sources. And it needs to be kept in a well - sealed container to prevent moisture and air from affecting its quality.
4-(chloromethyl)benzoic acid has a wide range of uses in the chemical and pharmaceutical industries. In the field of organic synthesis, it serves as an important intermediate. It can participate in various chemical reactions, such as esterification reactions. Through esterification, it can be used to synthesize a series of esters, which have applications in the fragrance and flavor industry. For example, some of these esters can be used as components in perfumes to provide unique olfactory characteristics. In the pharmaceutical industry, 4-(chloromethyl)benzoic acid can be used in the synthesis of certain drugs. It can be involved in the construction of drug molecular structures, contributing to the development of new drugs with specific therapeutic effects.
When handling 4-(chloromethyl)benzoic acid, proper safety precautions must be taken. Operators should wear appropriate protective equipment, such as gloves, goggles, and a lab coat. During weighing and transferring, use clean and dry tools to avoid contamination. When using it in a chemical reaction, it is necessary to follow the reaction conditions strictly. For example, in a reaction with a specific reagent, control the reaction temperature, reaction time, and the molar ratio of reactants accurately. Generally, it can be added to the reaction system in a step - wise manner to ensure a smooth reaction. After the reaction is completed, proper separation and purification steps should be carried out to obtain the desired product.
One specific usage case is in the synthesis of a fragrance ester. A research team was working on developing a new type of floral fragrance. They used 4-(chloromethyl)benzoic acid as a key raw material. First, they carried out an esterification reaction with a specific alcohol under the catalysis of a strong acid catalyst. The reaction was carried out at a temperature of 80 - 90°C for about 4 - 5 hours. After the reaction, they used distillation and extraction methods to purify the product. The final obtained ester had a pleasant floral - like fragrance. It was then tested in a perfume formulation and was well - received for its unique scent and long - lasting fragrance. In another case, in the pharmaceutical industry, a company was developing a new anti - inflammatory drug. They used 4-(chloromethyl)benzoic acid to construct a key part of the drug molecule. Through a series of complex chemical reactions, they were able to synthesize the target drug. After pre - clinical trials, the drug showed good anti - inflammatory activity, indicating the important role of 4-(chloromethyl)benzoic acid in drug development.
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