3-Aminophenylsulfurpentafluoride is primarily utilized in organic synthesis as a versatile building block for the development of more complex chemical structures. Its unique combination of the amino group and sulfur pentafluoride moiety makes it valuable in the creation of pharmaceuticals, agrochemicals, and specialty chemicals. The compound is often employed in cross-coupling reactions, where it serves as an intermediate to introduce sulfur pentafluoride groups into target molecules, enhancing their stability and reactivity. Additionally, it is used in the synthesis of materials with potential applications in electronics and advanced polymers, where the sulfur pentafluoride group can impart desirable properties such as thermal stability and resistance to degradation. Its role in medicinal chemistry is also notable, as it can be used to modify drug candidates to improve their pharmacokinetic properties or target specificity.