Try this. . . . <a href="http://www.aopis.org/" target="_blank">AOPIS</a> . .. .It'll frighten you! Skydrol, Chevron HiJet and similar fluids are organophosphates. Allegedly hazardous to health and sting your willy if you go to the loo without washing your hands after working with the stuff! (I've assumed you are a bloke!!).. .Once you have clicked onto the link, look under the heading "Oils & Fluids". Then click on to "Skydrol MSDS". MSDS = Material Safety Data Sheet. . .Couldn't find boiling point (but I was skimming through) but flash point is mentioned. Try a search on "Skydrol".. .. .Why do you want to boil it?. . . . <small>[ 29 March 2002, 23:23: Message edited by: Bus429 ]</small>