It is a white solid that is insoluble in water, although mineral forms can appear black. As a pigment, it has a wide range of applications, including paint, sunscreen, and food coloring.
Titanium dioxide in packaging The light-scattering properties of titanium dioxide (TiO₂) protects a container's contents from the effects of UV light and heat. Packaging that contains TiO₂ also resists the effects of light degradation..
Titanium dioxide is odourless and absorbent. Its most important function in powder form is as a widely used pigment for lending whiteness and opacity. Titanium dioxide has been used as a bleaching and opacifying agent in porcelain enamels, giving them brightness, hardness, and acid resistance.