What is "thioglycolic acid"

n. (context organic compound English) The compound ''mercaptoacetic acid'' formally derived from glycolic acid by replacing the hydroxyl group with a sulfhydryl group

Thioglycolic acid (TGA) is the organic compound HSCHCOH. TGA is often called mercaptoacetic acid (MAA). It contains both a thiol ( mercaptan) and carboxylic acid functional groups. It is a colorless liquid with a strongly unpleasant odor. TGA is miscible with polar organic solvents.