2-chloro-p-phenylenediamine

2-chloro-p-phenylenediamine, also known by the names 4-diamino-2-chlorobenzene, o-Chloro-p-phenylenediamine or 2-chloro-1,4-benzenediamine, is an organic compound that belongs to the aromatic amines. It is a derivative of phenylenediamine, namely its chlorinated analogue. It is characterized by its two amino groups, which are located at the para position on the benzene nucleus, and one chloro group.

The substance 2-chloro-p-phenylenediamine and its derivatives are commonly used in practice in the cosmetic industry, specifically in hair dyes. Due to their ability to react with other chemical components, they can form a wide range of different shades. Outside the cosmetics industry, this chemical compound can also appear in various industrial applications, for example as an intermediate in the production of certain types of polymers, resins or dyes. Although it is a substance that is widely used, care must be taken when using it, as it can cause allergic reactions.