Tags: Chemical Compound, Chemical Substance.
Nitrogen tetroxide (or dinitrogen tetroxide) is the chemical compound N2O4. It is a useful reagent in chemical synthesis. It forms an equilibrium mixture with nitrogen dioxide.Dinitrogen tetroxide is a powerful oxidizer that is hypergolic (spontaneously reacts) upon contact with various forms of hydrazine which makes the pair a popular bipropellant for rockets.