Introduction
CAS No. 406-78-0 is the unique identifier for the chemical compound 2-chloro-4-nitrophenol, also known as 2-chloro-1-hydroxy-4-nitrobenzene. This compound is an organic compound under the category of phenols, and is used in a variety of industries, including the petrochemical, pharmaceutical, and chemical industries. It is also used in the production of dyes and pigments, as well as in the manufacture of explosives and pesticides.
Properties
2-chloro-4-nitrophenol is a colorless to pale yellow crystalline solid. It has a melting point of 184-188°C and a boiling point of 279°C. It has a density of 1.7 g/cm3 and a molecular weight of 175.56 g/mol. 2-chloro-4-nitrophenol is soluble in alcohols, ethers, acetone, and other organic solvents, but is insoluble in water.
Synthesis
2-chloro-4-nitrophenol can be synthesized through a variety of different methods. One method involves the reaction of 4-nitrophenol with chloroform in the presence of an acid catalyst. Another method involves the reaction of 2-chloroaniline with nitric acid. It can also be synthesized through the reduction of 4-nitro-2-chlorophenol with sodium sulfite.
Uses
2-chloro-4-nitrophenol is used in numerous industries, including the petrochemical, pharmaceutical, and chemical industries. It is used as an intermediate in the production of dyes and pigments, and is also used in the manufacture of explosives and pesticides. It is also used in the synthesis of other compounds, such as quinoline-2-sulfonic acid and chloroacetanilide.
Safety
2-chloro-4-nitrophenol is a hazardous and toxic compound, and should be handled with extreme care. It is classified as a poison and can cause skin, eye, and respiratory irritation. It should be stored in a cool, dry place, away from heat and open flames, and should be kept away from incompatible materials, such as oxidizing agents and acids. Protective equipment, such as gloves, goggles, and a respirator, should be worn when handling this compound.
Conclusion
CAS No. 406-78-0 is the unique identifier for 2-chloro-4-nitrophenol, an organic compound under the category of phenols. It is used in a variety of industries, including the petrochemical, pharmaceutical, and chemical industries, and is used as an intermediate in the production of dyes and pigments, and in the manufacture of explosives and pesticides. 2-chloro-4-nitrophenol is a hazardous and toxic compound, and should be handled with extreme care.