Synonyms: n-BuLi; Butyl lithium; Butyllithium solution; Lithium-1-butanide Molecular Formula: C4H9Li Molecular Weight: 64.06 Linear Structural Formula: CH3(CH2)3Li MDL Number: MFCD00009414 Density: 0.849 g/mL at 25 C Storage: 2-8C