Is Benzophenone-4 the same as benzophenone 3?

When used as a sunscreen ingredient in the United States, Benzophenone-3 is called Oxybenzone, and may be used at concentrations up to 6%, and Benzophenone-4 is called Sulisobenzone, and may be used at concentrations up to 10%.

What is the Iupac name of Benzophenone?

diphenylmethanone

IUPAC Name diphenylmethanone
Alternative Names BENZOPHENONE diphenylmethanone Diphenyl ketone
Molecular Formula C13H10O
Molar Mass 182.222 g/mol
InChI InChI=1S/C13H10O/c14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H

Is oxybenzone the same as benzophenone 3?

Oxybenzone — also called benzophenone-3 and sometimes Milestab 9, Eusolex 4360, Escalol 567, or KAHSCREEN BZ-3 — is a chemical compound that is the active ingredient in most over-the-counter sunscreens and other personal care and skincare products.

Is benzophenone-4 good for your skin?

Benzophenone-4 protects products from deterioration by absorbing, reflecting, or scattering UV rays. When used as sunscreen ingredients, Benzophenone-4 protects the skin and the hair from UV rays.

How does benzophenone-3 affect glucose levels during pregnancy?

Subfertile women have higher risk of glucose intolerance during pregnancy. Studies suggest associations between several endocrine disrupting chemicals (EDCs) and pregnancy glucose levels. However, the association between benzophenone-3 (BP-3), an EDC widely found in sunscreen, and pregnancy glucose levels remains unclear.

How does benzophenone-3 affect the developing nervous system?

Current evidence indicates that benzophenone-3 (BP-3) can pass through the placental and blood-brain barriers and thus can likely affect infant neurodevelopment. Despite widespread exposure, data showing the effects of BP-3 on the developing nervous system are scarce.

When to use benzophenone-3 as a UV filter?

Benzophenone-3 is used as a broad-band UV filter in concentrations of up to 10% in sunscreen products alone or in combination with other UV filters. Beside the usage in sunscreens, Benzophenone-3 is incorporated in other types of cosmetic products at concentrations ranging between 0.05 – 0.5% for product protection (photoprotection).

Is there a maximum concentration of benzophenone-3 in sunscreen?

Benzophenone-3 is proposed to be continued for use in sunscreen products at a maximum concentration at 10% weight/weight. The substance is currently regulated in the cosmetics directive in annex VII, part 1 list of permitted UV filters which cosmetic product may contain.