Propofol transparent anaesthetic solution, with low venous irritationthreshold, consisting of at least 90% to 55%of Propofol, dissolved in 10% to 45% of Macrogol 15 Hydroxyestearate(Solutol), preferably having 25% Macrogol 15 hydroxyestearate(Solutol) for each 10.815 mg/ml of Propofol, and possibly 0.0515 mg/ml ofEDTA.