benzophenone

[ ben-zoh-fi-nohn, -fee-nohn ]

noun

, Chemistry.

1. a crystalline, water-insoluble ketone, C 13 H 10 O, used in organic synthesis.

benzophenone

/ ˌbɛnzəʊfɪˈnəʊn /

noun

1. a white sweet-smelling crystalline solid used mainly in the manufacture of organic compounds and in perfume. Formula: C 6 H 5 COC 6 H 5 Also calleddiphenylketone

benzophenone

/ bĕn′zō-fĭ-nōn′,-fē′nōn /

1. A white crystalline compound used in perfumes to prevent evaporation and in the manufacture of insecticides. Benzophenone is a ketone. Chemical formula: C 13 H 10 O.

Word History and Origins

Origin of benzophenone¹

First recorded in 1880–85; benzo- + phen(o)- + -one

Example Sentences

When Downs and his colleagues tested the ground and water around the showers on three Hawaiian islands in 2019, levels of sunscreen chemicals, including oxybenzone, avobenzone, benzophenone-2, octocrylene, and octinoxate, were disturbingly high.

From Salon

They found the sunscreen ingredient benzophenone-3 in nearly 97 percent of samples.

From Washington Post

The six artificial flavors in question, with names like methyl eugenol, benzophenone, ethyl acrylate and pyridine, are used to create cinnamon or spicy notes, fruity or minty flavors, or even hints of balsamic vinegar.

From Washington Times

The researchers detected several chemicals—including benzophenone, diethanolamine and nonylphenol—that are banned in the European Union and strictly regulated in California under the state’s Proposition 65 list of harmful chemicals.

From Scientific American

The FDA has not authorized the substances – benzophenone-2, known as BP-2, and 4-hydroxybenzophenone, known as 4-OH-BP – for use in sunscreens.

From Scientific American