3,4-Dichlorophenethyl alcohol is primarily used in the synthesis of various organic compounds, particularly in the pharmaceutical and agricultural industries. It serves as an intermediate in the production of herbicides, fungicides, and other agrochemicals, contributing to the development of effective crop protection solutions.

In the pharmaceutical sector, it is utilized in the synthesis of active pharmaceutical ingredients (APIs) for therapeutic drugs, including those targeting neurological and cardiovascular conditions. Its chemical structure allows for modifications that enhance the efficacy and specificity of these drugs.

Additionally, it finds application in research and development for creating novel chemical entities with potential biological activities. Its versatility as a building block in organic synthesis makes it valuable for exploring new chemical pathways and developing innovative products in various scientific fields.