A 5512 (OTTO) Aluminium nitride powder, ≥99% Cas 24304-00-5 - used as a radio frequency filter, which finds application in mobile phones. Further, it is used as a circuit carrier in semiconductors. A 5512 Aluminium nitride powder, ≥99% Cas 24304-00-5 - used as a heat-sink in light-emitting diode lighting technology.