Nitrobenzene is an organic compound with the formula C₆H₅NO₂. It is a pale yellow, oily liquid with an almond-like odor. It is highly toxic and is mainly used as an intermediate in the production of aniline and other chemicals.

Applications:

1. Aniline Production: Nitrobenzene is primarily used to manufacture aniline, which is further used in dyes, rubber chemicals, and pharmaceuticals.
2. Dyes & Pigments: Used in making azo dyes and pigments.
3. Agrochemicals: Intermediate for the production of pesticides and herbicides.
4. Pharmaceuticals: Used in the synthesis of paracetamol (acetaminophen).
5. Lubricating Oils & Polishes: Sometimes used in metal polishing and lubricating oils.