... .3 Ammonium Dimolybdate(ADM) (NH4)2Mo2O7,soluble in water and alkali(es),suitable for producing pure molybdenum trioxide, ... 4H2O (AHM), also known as ammonium paramolybdate and has high water-solubility, widely used in petrochemical catalysts, especially acrylonitrile catalyst, ... 9Average fisher size(mm)15~303~2015~30Solubility in water(g/100ml)³40Slightly soluble³64Chemical composition of ammonium ...