Gamma-Butyrolactone (GBL) is a colorless, odorless liquid that is commonly used as a solvent in various industrial applications. It is a cyclic ester, which means it has a ring structure that contributes to its chemical properties. GBL is often utilized in the production of plastics, resins, and as a cleaning agent. In the body, GBL can be converted into Gamma-Hydroxybutyrate (GHB), a substance that has both medical and recreational uses. While GBL is legal in some regions, it is regulated in others due to its potential for misuse. Safety precautions are essential when handling this chemical to avoid health risks.