Used primarily as an intermediate in the synthesis of pharmaceuticals, particularly in the production of antihypertensive drugs and other cardiovascular medications. It plays a key role in the preparation of compounds like prazosin, which is used to treat high blood pressure and benign prostatic hyperplasia. Additionally, it is employed in the synthesis of dyes and pigments, contributing to the vibrant colors in textiles and inks. Its versatility in organic synthesis makes it valuable in creating various fine chemicals and agrochemicals.