titanium dioxide powder scattered on black surface

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