3-Chloroaniline Hydrochloride is primarily used in the synthesis of various dyes and pigments, particularly azo dyes, which are widely applied in the textile industry for coloring fabrics. It serves as an intermediate in the production of agrochemicals, including herbicides and pesticides, contributing to crop protection and yield improvement. Additionally, this compound is utilized in the pharmaceutical industry for the manufacture of certain drugs, where it acts as a building block in the synthesis of active pharmaceutical ingredients. Its role in organic synthesis extends to the development of other fine chemicals and specialty compounds used in research and industrial applications.