Structural formula Business number 02B7 Molecular formula C4H6O2 Molecular weight 86 label 4-butyrolactone, 4-Hydroxybutyrolactone, 1,4-butyrolactone, 1,4-Butyrolactone, 4-Hydroxybutyric acid lactone, 4-Hydroxybutanoic acid lactone, 4-Butanolide, Ester cyclic compounds and their derivatives Numbering system Physical property data Toxicological data Ecological data Molecular structure data Computing chemical data More Properties and Stability Storage method Synthesis method Purpose Numbering system...