Nitroguanidines are a class of compounds derived from guanidine, containing one or more nitro substituents (-NO?). These nitrogen-containing heterocycles find applications primarily in the field of explosives due to their high oxygen balance and energetic nature. Structurally, they consist of a six-membered ring with two nitrogen atoms in an unsymmetrical position, often modified by the presence of nitro groups. The most common nitroguanidine is pentaerythritol tetranitrate (PETN), which has found extensive use as a blasting agent and sensitive explosive. Nitroguanidines are characterized by their high detonation velocity and low sensitivity to initiation, making them suitable for specialized applications such as demolition and precision blasting. In addition to their use in explosives, nitroguanidines have also been studied for potential pharmaceutical and agricultural applications due to their unique chemical properties. However, the primary focus remains on their explosive characteristics, where they are valued for their safety and performance in various industrial and military scenarios.