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Trifluoroacetic acid (TFA) is an organofluorine compound with the chemical formula CF3CO2H. It is a colorless liquid with a sharp odor similar to vinegar, but stronger in acidity.
T 2135 (OTTO) Trifluoroacetic acid, puriss 99%+ Cas 76-05-1 - used in organic synthesis because of a combination of convenient properties.