titanium dioxide, tio2. white chemical powder

titanium dioxide chemical powder petri dish heap texture inscription banned food additives e171 white pure catalysts adsorption paints compound oxide alimentary pigment titania phosphonic acid colorants cosmetic ingredient chemistry nutritional supplement synthetic products thickener alumina thickening agent carcinogen nano science substance makeup toothpastes formula tio2 pw6 77891 coloring number consumption symbol tio2 dish additive pigment used paint skin care