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Reference.org
Trichloroacetic acid
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<p>Trichloroacetic acid (TCA; TCAA; also known as trichloroethanoic acid) is an analogue of <a href="/facts/Acetic_acid/uyBKA2Pd">acetic acid</a> in which the three <a href="/facts/Hydrogen/BoYHjl0J">hydrogen</a> atoms of the <a href="/facts/Methyl/fkM97EMD">methyl</a> group have all been replaced by <a href="/facts/Chlorine/y27UwYBM">chlorine</a> atoms. <a href="/facts/Salt_(chemistry)/lsSKwGpn">Salts</a> and <a href="/facts/Ester/FoUAIIw4">esters</a> of trichloroacetic acid are called trichloroacetates. </p>