Also available in 1 mL, 50 mg, 100 mg, 500 mg and bulk. Please contact Fisher for quotes. Succinic acid (1,2-Ethanedicarboxylic acid) is a water-soluble, 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. Purity 98%