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Benzophenone 4, also known as sulisobenzone, is a member of a family of similar molecules which are generally employed as UV absorbers. Benzophenones are most often found in sunscreens but can be found in personal care products like nail polishes, and shampoos. The FDA has approved benzophenone 4 for use in OTC sunscreens at concentrations up to 10%. As a sunscreen, it works as a secondary UV absorber and is combined with other UV absorbers to provide full protection.

Benzophenone 4 is more often used as a photoprotectant to maintain a products color when in clear packaging.

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Retailer Compliance Status

Name (CAS Number)
2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid (4065-45-6) Sign in to view

Regulatory & Advisory Status

Name (CAS Number)
2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid (4065-45-6)
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Netchem is a specialty chemical and raw material distributor that is headquartered in Ontario, Canada. For 30 years we have been servicing customers in a broad spectrum of different markets and have positioned ourselves as the preferred chemical supply chain partner for North American manufacturers big and small. Our customers experience complete chemical confidence as we supply cost effective chemistry and provide individualized service solutions.

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