Gold(I) chloride is widely utilized in research focused on:

• Catalysis: It serves as an effective catalyst in various organic reactions, particularly in the synthesis of fine chemicals and pharmaceuticals, enhancing reaction rates and selectivity.
• Nanotechnology: In the production of gold nanoparticles, it acts as a precursor, allowing for the creation of materials with unique optical and electronic properties, useful in sensors and drug delivery systems.
• Electronics: This compound is used in the fabrication of conductive inks and coatings, which are essential for developing flexible electronic devices and printed circuit boards.
• Biomedical Applications: Gold(I) chloride is explored for its potential in targeted cancer therapies, leveraging its ability to interact with biological molecules, which may lead to innovative treatment options.
• Analytical Chemistry: It is employed in various analytical techniques, including spectroscopy and chromatography, aiding in the detection and quantification of gold in environmental samples.