四氮烯是一种氮的氢化物，分子式为N₄H₄。在IUPAC命名法中，该化合物及其衍生物被统称为“四氮烯”。最常见的衍生物是四氮烯炸药，用作敏感的混合点火药。

• 三氮烯

Not to be confused with tetrazine or tetracene or tetrazene explosive

Tetrazene is a chemical compound with the molecular formula N₄H₄. In IUPAC nomenclature, derivatives of this compound are known collectively as tetrazenes. The most common of such derivatives is tetrazene explosive (commonly known simply as tetrazene), which is used for sensitization of priming compositions. Tetrazenes are suitable as propellants or gas-generating agents thanks to their high thermal stability and low temperature of explosion.