Triamino hydrazine
From Halopedia, the Halo wiki
Triamino Hydrazine is a fuel used by the UNSC. The root material, Hydrazine (Chemical formula N2H4), has been used as a rocket fuel since Earth's second world war.
Triamino Hydrazine is compressed and stored in fuel tanks of T-PACKs. Though an efficent fuel, Triamino Hydrazine is extremely volatile, and if the tank is ruptured, it will cause a fatal loss of control for the wearer of the T-PACK[1].
