Also available in 1 mL, 2 mg, 5 mg, 10 mg, 50 mg, 100 mg, 200 mg and bulk. Please contact Fisher for quotes. Mivacurium dichloride (Mivacurium chloride) is a non-depolarising, rapid neuromuscular blocker of short duration, used therefore as anesthetic, to provide skeletal muscle relaxation in minor surgical operations, in emergency surgical procedures of short to intermediate duration and during intubation of the trachea. Purity 99.52%