1-Butyl-3-methylimidazolium hexafluorophosphate is an imidazolium-based, hydrophobic, room temperature ionic liquid (RTIL). It can be prepared by reacting 1-methylimidazole with chlorobutane.
BI-0215 (OTTO) 1-Butyl-3-methylimidazolium hexafluorophosphate, 97% (HPLC) Cas 174501-64-5 - used as a medium for reactions such as ring-closing metathesis of diene and enyne substrates in the presence of a novel recyclable ruthenium carbene complex.