Dioxybenzone
Overview[edit | edit source]
Dioxybenzone is an organic compound that is commonly used as a sunscreen agent. It is known for its ability to absorb ultraviolet (UV) radiation, thereby protecting the skin from the harmful effects of sun exposure. Dioxybenzone is a derivative of benzophenone, a class of compounds frequently used in sunscreen formulations.
Chemical Structure[edit | edit source]
Dioxybenzone is chemically classified as a benzophenone derivative. Its chemical formula is C14H12O4, and it is also known by its systematic name, 2,2'-Dihydroxy-4-methoxybenzophenone. The structure of dioxybenzone includes two hydroxy groups and one methoxy group attached to a benzophenone core, which contributes to its UV-absorbing properties.
Mechanism of Action[edit | edit source]
Dioxybenzone functions by absorbing UV radiation, particularly in the UVB range (290-320 nm), and to some extent in the UVA range (320-400 nm). By absorbing these wavelengths, dioxybenzone prevents the UV radiation from penetrating the skin and causing damage such as sunburn, photoaging, and skin cancer.
Applications[edit | edit source]
Dioxybenzone is primarily used in sunscreen products. It is often combined with other UV filters to provide broad-spectrum protection. The compound is valued for its ability to stabilize other sunscreen agents and enhance the overall efficacy of the sunscreen formulation.
Safety and Regulations[edit | edit source]
The use of dioxybenzone in sunscreen products is regulated by health authorities such as the Food and Drug Administration (FDA) in the United States. It is generally recognized as safe and effective when used according to the recommended guidelines. However, as with all chemical compounds, it is important to monitor for any potential allergic reactions or skin sensitivities.
Related Compounds[edit | edit source]
Dioxybenzone is part of a larger group of compounds known as benzophenones, which are widely used in sunscreens and other cosmetic products. Other related compounds include oxybenzone and sulisobenzone, each with varying degrees of UV absorption and stability.
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