Aluminium nitrate is a white, water soluble salt of aluminium and nitric acid, most commonly existing as the crystalline hydrate, aluminium nitrate nonahydrate, Al(NO3)3·9H2O.
A 4256 (OTTO) Aluminium nitrate nonahydrate, low mercury, 99.999% Cas no 7784-27-2 - used as a strong oxidizing agent.