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 1747 (OTTO) Aluminium nitrate, GR 98.5% Cas 7784-27-2 - used in tanning leather, antiperspirants, corrosion inhibitors, extraction of uranium, petroleum refining, and as a nitrating agent.