Titanium dioxide
Titanium dioxide, also known as titanium(IV) oxide or titania , is the naturally occurring oxide of titanium, chemical formula . When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or CI 77891. Generally, it is made from ilmenite, rutile, and anatase. It has a lot of uses, including paint, sunscreen, and food coloring. When used as a food coloring, it has E number E171. 9 million tonnes of it were made in the world in 2014. It is used in around two-thirds of all pigments, and pigments based on the oxide have a total value of around $13.2 billion.