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| CAS number | 109-72-8 |
| Molecular formula | C4H9Li |
| Product name | 109-72-8 n-Butyllithium |
| Molecular Structure |  |
Appearance：Clear, yellow solution. Commercially available as solutions (15%, 25%, 2 M, 2.5 M, 10 M, etc.) in alkanes such as pentane, hexanes, or heptanes.
Density：0.68 g/mL at 20ºC
Boiling Point：80ºC
Melting Point：80ºC
Flash Point：10 °F
Water Solubility：vigorous reaction
Stability：Stable under normal temperatures and pressures.
Storage Condition：2-8ºC
