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Titanium dioxide is a naturally occurring oxide of the metal titanium.
It is chemically represented as TiO2. This white crystalline solid is insoluble in water and most other solvents, but is soluble in sulfuric and hydrofluoric acids.
It has several significant uses due to its high refractive index, ability to scatter light, and resistance to UV radiation. It is widely used as a white pigment in paint, plastics, paper, and cosmetics. It is also used in sunscreen due to its ability to protect the skin from UV rays.
Additionally, titanium dioxide is used in the manufacture of photocatalysts, solar cells, and sensors due to its ability to absorb and emit light. It also has applications in the food industry as a food additive to enhance the white color and opacity of certain products.
Titanium dioxide is generally considered safe for use, but its inhalation as a dust or fume can pose health risks, leading to respiratory issues and potentially increasing the risk of lung cancer. There is also ongoing research and debate regarding the safety of using titanium dioxide nanoparticles in consumer products.
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