citric acid

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English[edit]

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 citric acid on Wikipedia
Ball-and-stick model of citric acid.
Ball-and-stick model of propane. If one hydrogen atom of each of its three carbon atoms is replaced by a carboxyl group, and the remaining hydrogen atom of its second carbon atom (in the middle) is replaced by a hydroxyl group, the result is citric acid.

Pronunciation[edit]

IPA(key): /ˌsɪtɹɪk ˈæsɪd/

Noun[edit]

citric acid (uncountable)

  1. (organic chemistry) A colourless crystalline compound, 2-hydroxy-1,2,3-propanetricarboxylic acid, C6H8O7, found in citrus fruit; it is used as a food additive and in the manufacture of citrates.

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