Yttrium phosphate - inorganic compound, a salt of yttrium and phosphoric acid of formula YPO4.xH2O, colorless crystals, forming crystalline hydrates.
                                 
                                
                                    
                                    Y 1500 (OTTO) Yttrium(III) phosphate, hydrate, 99.99% Cas 34054-55-2 - used in the production of electrodes, electrolytes, electronic filters, lasers and superconductors; various medical applications.