Excipient (pharmacologically inactive substance)

What is it?

Succinic acid, with molecular formulation C4H6O4, is a water-soluble, odorless, colorless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. Succinic acid is a normal intermediary metabolite and a constituent of the citric acid cycle, and found naturally in human urine.^[1]