Titanium dioxide (TiO2)
It is an important inorganic chemical product, it mainly contains white pigment. Generally, there are two types of TiO2: Rutile R and Anatase A. Widely used in ceramic, paints, inks, coatings, paper-making, plastics, fiber industries, etc.
Titanium dioxide is of outstanding importance as a white pigment because of its scattering properties (which are superior to those of all other white pigments) and its chemical stability, non-toxicity.
The U.S. Food and Drug Administration (FDA) has assessed the safety of titanium dioxide pigment as a color additive in food, drug and cosmetic applications. FDA had issued guidance clarifying the safe use of titanium dioxide pigment as a food colorant, and has stated that titanium dioxide may be safely used in cosmetics, including cosmetics intended for use around the eye. FDA also regulates the safety and effectiveness of sunscreen active ingredients, including nanoscale titanium dioxide. A recent state of the science report from Health Canada has also affirmed the safety of titanium dioxide in food.
Workers at titanium dioxide manufacturing plants and downstream value-chain manufacturing plants where titanium dioxide is used can be exposed to titanium dioxide dust. The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) has established a Permissible Exposure Limit (PEL) for titanium dioxide total dust and requires employers to control workplace exposure below that PEL.
Consumer exposure to titanium dioxide dust is generally presumed to be extremely low, because titanium dioxide is typically fully incorporated into the end product in which it is used.
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