GBL, butyrolactone, 1,4-lactone, 4-butyrolactone, 4-hydroxybutyric acid lactone, gamma-hydroxybutyric acid lactone, and oxolan-2-one
Gamma-Butyrolactone Powder (γ-butyrolactone or GBL) is a hygroscopic compound with a weak characteristic odor and is soluble in water. GBL is a common solvent and reagent in chemistry and is used as an aroma compound, as a stain remover, as a superglue remover, as a paint stripper, and as a solvent in some wet aluminium electrolytic capacitors.
Gamma-Butyrolactone Powder GBL (gamma butyrolactone, ‘geeb’) is a clear liquid solvent. It is a prodrug for the illegal substance GHB, which means that the body naturally converts it into GHB.
Gamma-Butyrolactone Powder, It is sold in the grey market, often as ‘alloy cleaner’ or ‘rust remover’ and smells pretty much like you’d expect an industrial solvent to smell like.