For chemical engineers, researchers, and procurement specialists, a thorough understanding of key chemical intermediates is vital for driving innovation and ensuring efficient production processes. 3,5-Dichloro-2-cyanopyridine, identified by its CAS number 85331-33-5, is one such compound that holds significant importance across various industrial sectors, particularly in fine chemical synthesis.

Chemical Profile and Properties

3,5-Dichloro-2-cyanopyridine is a heterocyclic organic compound belonging to the pyridine family. Its structure features a pyridine ring substituted with two chlorine atoms at the 3 and 5 positions, and a cyano group at the 2 position. Typically, it presents as a white to light yellow crystalline powder. Its melting point is commonly reported in the range of 101-103°C. The molecular formula is C6H2Cl2N2, with a molecular weight of approximately 173 g/mol. These physical and chemical properties make it a stable and versatile intermediate for further chemical transformations. Its reactivity is largely dictated by the presence of the electron-withdrawing chlorine atoms and the cyano group, which influence the electron density of the pyridine ring.

Industrial Applications and Significance

The primary industrial application for 3,5-Dichloro-2-cyanopyridine lies in its role as an intermediate in the synthesis of more complex molecules. It is notably used in the industrial production of nicotinic acid (Niacin) and nicotinamide, which are essential vitamins and compounds with broad applications in pharmaceuticals, food fortification, and animal feed. Beyond these established uses, its structure also lends itself to applications in the development of agrochemicals, where it can serve as a precursor for herbicides and pesticides. Furthermore, ongoing research suggests potential applications in environmental science, particularly in pollution control efforts, due to the stability and reactivity of its pyridine ring.

Safety and Handling Considerations

As with many chemical intermediates, safe handling practices are paramount when working with 3,5-Dichloro-2-cyanopyridine. It is classified as harmful if swallowed, inhaled, or absorbed through the skin, and can cause skin and eye irritation. Standard laboratory and industrial safety protocols should be followed, including the use of appropriate personal protective equipment (PPE) such as gloves, safety glasses, and laboratory coats. Work should be conducted in well-ventilated areas, preferably under a fume hood. Proper storage, typically at room temperature in a dry, sealed container, is also crucial to maintain product integrity and safety. It is always recommended to consult the specific Safety Data Sheet (SDS) provided by the supplier for detailed handling instructions and emergency procedures.

For businesses seeking to buy this chemical intermediate, understanding these properties and applications is key to making informed procurement decisions. Manufacturers and suppliers in China offer this compound with varying purity grades and packaging options, catering to different industrial needs. Ensuring a reliable supply chain from a reputable manufacturer is a cornerstone for seamless integration into your synthesis processes.