Why nitroglycerin is used as an explosive?

Nitroglycerin is used as an explosive due to its high energy content and sensitivity to shock and heat. Its molecular structure contains nitrogen and oxygen, which, when rapidly decomposed, release a large volume of gas and heat, resulting in a powerful explosion. Additionally, it can be easily detonated and is capable of producing a significant shockwave, making it effective for demolition and military applications. However, its instability requires careful handling and specific containment methods to prevent accidental detonation.