Throughout the world manufacture of GBL is calculated from the numerous A huge number of metric tons. Chemistry: GBL has the molecular formulation C4H6O2 as well as the molecular weight 86.09 g/mol.Gamma-Butyrolactone (GBL) is a hygroscopic colorless liquid with a weak characteristic odor. Soluble in drinking water, GBL is a common solvent and reag