3,5-Dinitrobenzonitrile (CAS: 4110-35-4), chemical formula C7H3N3O4, is a colorless to pale yellow crystal with strong toxicity and explosiveness. Its molecular weight is 19312 grams of moles, with a melting point of 108-110 degrees Celsius and a boiling point of 320 degrees Celsius. 3,5-dinitrobenzonitrile is insoluble in water at room temperature, soluble in organic solvents such as ethanol and ether.
The synthetic route of 3,5-dinitrobenzonitrile is generally obtained by the reaction of benzonitrile with sodium nitrate and nitric acid. First, benzonitrile and sodium nitrate reacted under alkaline conditions to form 3-nitrobenzonitrile, and then nitrification was carried out to obtain the target product 3,5-dinitrobenzonitrile.
The preparation methods of 3,5-dinitrobenzonitrile mainly include the traditional reaction method and the microchannel continuous method. While traditional reaction methods typically require long reaction times and higher temperatures, microchannel continuity methods allow for efficient preparation of target products in a shorter time with better control and scalability.
As an important intermediate in organic synthesis, 3,5-dinitrobenzonitrile has a wide range of applications in pesticides, dyes, pharmaceuticals and other fields. For example, it can be used to synthesize pesticide raw materials, anti-cancer drugs, organic pigments and other products, and has important industrial and scientific research value.
The application of microchannel continuous technology in the field of organic synthesis has attracted more and more attention, and it has the advantages of high efficiency, environmental protection and economy. In the future, with the continuous development and improvement of microchannel technology, it is believed that the production method of 3,5-dinitrobenzonitrile will become more intelligent and green, bringing more opportunities and challenges to the development of related fields.
In summary, 3,5-dinitrobenzonitrile, as an important intermediate in organic synthesis, has a wide range of application prospects. Through the continuous optimization of synthesis routes and preparation methods, combined with the development of microchannel continuous technology, it is believed that its application in pesticides, pharmaceuticals and other fields will be more extensive, injecting new vitality into the development of related industries.