Benzophenone, also known as diphenylmethanone, phenyl ketone, diphenyl ketone, or benzoylbenzene. The chemical formula is (C₆H₅)₂CO / Ph₂CO. Substituted benzophenones like oxybenzone and dioxybenzone are used in sunscreen. Benzophenone structure that I cobbled together. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... General Name, Symbol, Number oxygen, O, 8 Chemical series nonmetals Group, Period, Block 16, 2, p Appearance colorless Atomic mass 15. ... In chemistry, the phenyl group or phenyl ring (often abbreviated as -Ph) is the functional group with the formula -C6H5 Picture where the six carbon atoms are arranged in a cyclic manner. ... Substitution in the context of organic chemistry has the general meaning of replacing an atom, a functional group, or a substituent in a molecule. ... Oxybenzone is a chemical used in sunscreen to block UVB. It is a derivative of Benzophenone. ... Categories: Stub ... Sunscreen or sunblock is a lotion that blocks ultraviolet radiation from the sun, and which reduces sunburn and other damage to the skin, leading to a lower risk of skin cancer. ...

External links

• MSDS for Benzophenone