N-butyl lithium (CAS 109-72-8 n-Butyllithium) is a colorless or yellowish transparent liquid, which is stable at room temperature and can be heated to eliminate lithium hydride. It decomposes in water, dissolves in hydrocarbons and ethers, forms complexes with ethers, amines and thioethers, and uses n-hexane as the solvent with a density of 0.675g/ml. It is generally prepared into dilute solutions with molar concentrations ranging from 1.0M to 1.3M, and the mass percentage concentration is between 9% and 13%. It is widely used in organic catalytic reactions of pharmaceutical intermediates, liquid crystal monomers, pesticides and rubber industries.
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