... .htmlCAS NO.: 21645-51-2FORMULA: Al(OH)3MOL WT.: 78 H.S. CODE: 2818.30 SYNONYMS Hydrated alumina; Alumina hydrate; Alumina trihydrate ... adsorbent, emulsifier, ion exchanger, mordant, antacid, and filtering medium. It is also used in the manufacture of paper, ceramics, printing inks ... % max.Fe2O3: 0.02% max.Na2O: 0.2% max.L.O.I.: 35% max.Moisture: 0.3% max.PH: 7.5 ...