Phthalic acid

Rarity: Uncommon

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Science and technology

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What Wikipedia says

In organic chemistry, phthalic acid (θ|æ|l|ɪ|k|/ THAL-ik) is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2 and structure HO(O)C−C6H4−C(O)OH. Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale.

Excerpt from the Wikipedia article “Phthalic acid”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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