Titanium dioxide is mainly used as a white pigment and is listed in the Color Index under C.I. Pigment White 6 or C.I. 77891. It is chemically stable, non-toxic and can be found under the label E 171 as a food additive, for example in toothpaste, chewing gum and cough drops, and under CI 77891 as a pigment in cosmetics. It is also used to some extent in oil painting. In the technical field, it is used in paints and varnishes, textiles, in paper production to achieve a high degree of whiteness and as a UV blocker in sun creams.
Image & text: http://de.wikipedia.org/wiki/Titandioxid
