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Pimaric acid is a carboxylic acid that is classified as a resin acid. It is a major component of the rosin obtained from pine trees. (2025). 9783527306732 ISBN 9783527306732
When heated above 100 °C, pimaric acid converts to abietic acid, which it usually accompanies in mixtures like rosin.
It is soluble in alcohols, acetone, and . The compound is colorless, but almost invariably samples are yellow or brown owing to air oxidation. As a mixture with abietic acid, it is often hydrogenation, esterified, or otherwise modified to produce materials of commerce.
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