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N-Butyllithium
Identification:
Chemical Name: n-Butyllithium
Synonyms: Butyl-lithiu; NBL, BuLi,1-lithiobutane
CAS No.: 109-72-8
Molecular Formula: CH3CH2CH2CH2-Li
UN: 2445
Properties: Colorless or slightly yellow, suspended solids and transparent liquid, Soluble in Hexane, cyclohexane or petroleum ether. with n-hexane as solvent, typically made into molar concentration of 1.5 M - 2.5 M range of dilute solution, the density of 0.68 g/ml its quality percentage concentration between 15% - 24%.
Specifications:
Items | Parameter | |||
Butyllithium, mol/l ≥ | 1.76 | 2.4 | 3 | |
Impurity content, w t % ≤ | 1 | 1 | 1 | |
Chlorobutane, w t % ≤ | 0.1 | 0.1 | 0.1 | |
Butyllithium ,w t % ≥ | Cyclohexane | 15 | 20 | 25 |
Hexane | 16.5 | 22.5 | 28 | |
Application:
It is widely used as a polymerization initiator in the production of elastomers such as polybutadiene or styrene-butadiene-styrene (SBS).It is also broadly employed as a strong base (superbase) in organic synthesis, both industrially and in the laboratory.
Packing Storage:
In stainless steel bottle 5-450L or 2000-20000L bulk container; Stored and transported at 20°C down, inflammable and explosive in water or naked fire. Avoid high temperature, impact, do not touch the flame.Do not allow contact with air and water, low temperature preservation.