Buy 2L GBL Purified Buy 2L GBL Purified when you require a practical supply of high-quality Gamma-Butyrolactone for authorized industrial, automotive, manufacturing or professional research applications. Our two-litre package provides more working volume than the standard 1L bottle while remaining convenient to transport, handle and store in an appropriate chemical-storage facility. Gamma-Butyrolactone, commonly called GBL, is a versatile industrial solvent …