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1-Butyl-3-methylimidazolium bromide is a neutral ionic liquid.
BI-0180 (OTTO) 1-Butyl-3-methylimidazolium bromide, ≥98.5% (HPLC) Cas 85100-77-2 - used as a solvent for the preparation of 1,2,4,5-substituted imidazoles.