N,N''-1,4-Phenylenebis(thiourea) is utilized across various industries, particularly in research and development of materials, serving as a starting material for synthesizing polymers and other chemically durable compounds. It is primarily used as a corrosion inhibitor in industrial applications, effectively protecting metal surfaces from degradation in harsh environments. It also functions as a key intermediate in the synthesis of organic compounds and various chemicals. In analytical chemistry, it acts as a reagent for detecting and quantifying specific ions or molecules. Its ability to form stable complexes with metals makes it valuable in water treatment processes to remove heavy metal contaminants. Additionally, in the pharmaceutical industry, it is studied for developing drugs and bioactive substances potentially useful in treating various diseases.