Aluminum maltolate

Formula : C18-H15-Al-O9
CAS : 23058-19-7 

Aluminum cpd, not an aluminum salt.

Aluminum mixture with ammonium nitrate

Formula :

WikiPedia: Tannerite is the brand name of a binary explosive marketed primarily for making exploding targets for firearms practice.[1] It is a patented[2] combination of ammonium nitrate (an oxidizer) and aluminum powder (a fuel) that is supplied as two separate powders that are mixed and shaken to produce an explosive.