1.Chemcial name: Glycolic acid 2.CAS NO.:79-14-1 4.EINECS: 201-180-5 5.Molecular Fomula: C2H4O3 6.Molecular Weight: M=76.05 7.Synonyms: Hydroxyacetic Acid,acide hydroxyacetique C. What is Glycolic acid Glycolic acid is a natural ingredient derived from sugar cane, though it is now often made synthetically. Glycolic acid has a cosmetic grade.