Cerium hydroxide (Ce(OH)4), e lauiloa foi o le cerium hydrate, o se lanu samasama poʻo le lanu enaena samasama paʻu ma mea lelei faʻapitoa, mea eletise ma mea faʻapitoa. E masani ona faʻaaogaina i masini faʻaogaina kesi, suauʻu suauu, optics nonlinear, catalysts ma isi fanua.
O le kamupani WONAIXI o lo'o i ai le pateni fou o le gaosiga o le cerium hydroxide, ma e mafai ona tu'uina atu i tagata fa'atau oloa maualuga maualuga o le cerium hydroxide (egSO42-<100ppm, Cl -<50ppm ma isi) ma se tau faatauva.