1-(3,4-Dichlorophenyl)-2-thiourea is primarily used as an intermediate in the synthesis of various agricultural chemicals, including herbicides and pesticides. It plays a role in the development of compounds that target weed and pest control in crops, enhancing agricultural productivity. Additionally, it is utilized in research and development for creating novel chemical entities with potential biological activities. Its applications also extend to the field of organic chemistry, where it serves as a building block for more complex molecules in pharmaceutical and agrochemical industries.