titanium dioxide(redirected from E171 (titanium dioxide))
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titanium dioxide[tī′tā·nē·əm dī′äk‚sīd]
TiO2 A white, water-insoluble powder that melts at 1560°C, and which is produced commercially from the titanium dioxide minerals ilmenite and rutile; used in paints and cosmetics. Also known as titania; titanic anhydride; titanium oxide; titanium white.