Padimate O

Padimate O

Padimate O is a organic compound used primarily in sunscreen products due to its ability to absorb ultraviolet (UV) B rays. It is a derivative of the PABA (Para-Aminobenzoic Acid), but unlike PABA, Padimate O is not generally associated with allergic reactions.

Chemical Structure and Properties

Padimate O, also known as octyl dimethyl PABA, has the chemical formula C17H27NO2. It is a yellowish, oily liquid that is insoluble in water but soluble in oils and organic solvents. The compound absorbs UVB radiation, converting it into less harmful heat. This makes it an effective ingredient in sunscreens, as it can protect the skin from the damaging effects of sun exposure.

Uses

The primary use of Padimate O is in sunscreen and other skin care products designed to protect the skin from the sun. It is often combined with other sunscreen agents that protect against UVA rays to provide broad-spectrum sun protection.

In addition to sunscreens, Padimate O can also be found in some types of cosmetics, such as lipsticks and moisturizers, where it serves a similar protective function.

Safety and Health Effects

While Padimate O is generally considered safe for topical use, there have been some concerns raised about its potential health effects. Some studies have suggested that when Padimate O absorbs UVB radiation, it may produce free radicals, which can cause cellular damage. However, these findings are not conclusive, and the overall risk is considered low.

Regulation

In the United States, Padimate O is approved by the Food and Drug Administration (FDA) for use in over-the-counter sunscreen products. In the European Union, it is also approved for use in sunscreens, but its concentration is limited to 8% of the product's total weight.

See Also

• Sunscreen
• Ultraviolet
• PABA
• Food and Drug Administration

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