Vaughn,
The stuff appears to be used in jet fuel as a de-icer (more below).
Information on common use and links on toxicity can be found in this household products website (
Household Products Database).
It's found in these commonly used products:
Wagner Premium Brake Fluid, Prestone Heavy Duty Brake Fluid, Zep Tile and Terrazzo Cleaner, Mop & Glo Floor Shine, Prefer Floor Finish, Zep Tile and Terrazzo Cleaner-04/08/2002, Zep Stain Resistant Floor Sealer, Jobmaster High Gloss Floor Finish, Self Polishing, Institutional, Brilliance Floor Finish Home inside, Rebound Floor Finish Concentrate, Zep Stain Resistant Floor Sealer-03/21/2002, Perk Floor Cleaner and Polish, Krylon Living Color Acryl Enamel (Gloss), Goof Off, Thoroseal Redi Mix Paint
The average use seems to be 5% or so, and I don't see it being used as a fuel additive (outside of the jet fuel). I think the EPA has concerns about it... perhaps that's why it's not commonly used in our fuels?
If you follow the medical data links from the above page - it seems this stuff is pretty nasty on humans.
As for use - it seems to be specifically for preventing icing of water suspended in the fuel, not as a means of preventing gelling. Note this information about it's use (and history) as a jet fuel additive:
Diethylene Glycol as a jet fuel additive
There, they state "DEGMME serves the exact same purpose of preventing icing of suspended water in jet fuel at altitude... "
Mark
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Vaughn MacKenzie said:
Kicking this thread back to the top. I am wondering about using diethylene glycol monoethyl ether alone as a way to lower cloud point and be able to use DSE-ized fuel in cold weather? I would have no idea where it could be purchased, how hard it would be on fuel system components, and how dangerous it is to handle (breathing vapors, and flammability).
Vaughn