NT 140 (OTTOKEMI) Titanium hydride, nanopowder, APS 1-3 μm, 99% Cas 7704-98-5 - used as intermetallic precursor for the preparation of Ti3AlC2 by self-propagating high temperature synthesis (SHS).1 TiH2 may be added to MgH2 to decrease the enthalpy and entropy of the absorption and desorption of hydrogen.