Abietic acid
a yellow, crystalline, water-insoluble acid, c 20 h 30 o 2 , obtained from the resin of a species of pine: used chiefly in driers, varnishes, and soaps.
historical examples
the const-tuents of rosin are chiefly (80-90%) abietic acid or its anhydride together with pinic and sylvic acids.
soap-making manual e. g. thomssen
noun
a yellowish powder occurring naturally as a const-tuent of rosin and used in lacquers, varnishes, and soap. formula: c19h29cooh; melting pt: 173°c
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