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United States, TX, Weatherford
Joined Dec 2006
1,483 Posts
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Well rubbing alcohol is used all the time in the medical field. Rubbing alcohol is methanol but usually has some quantity of water added (like 10% or 20%). And that would not be any good for fuel.
Any methanol approaching 99% + purity would be good enough no matter where it comes from. I would suspect medicinal alcohol would be a bit pricey. Try a speed shop - racing fuels, etc for a source of methanol. Sold in five gallon quantities. If you can get premixed fuel, then buy it. Most of the manufactures of such fuels have other additives to improve combustion and reduce corrosion added to their mixes. While it cost a bit more you do get additional benefits. Cheers, Chip |
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I'd guess mus means laboratory grade and not clinical. Lab grade chemicals are usually as close to 100% pure as possible. Industrial or fuel grade methanol is usually about 99.5+% pure which is more than good enough.
Rubbing alcohol is ethanol though, not methanol. Methanol is a poison that gets absorbed by the skin. As an aside, never buy lab grade ether if you use diesels or if you do then mix it immediately. All of it! Pure ether has a fairly short shelf life after which it becomes shock sensitive but a very small amount of any impurity stabilises it. Don't quote me but I think it only needs something like 0.2% impurity. |
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However what we are looking for is the difference between industrial methanol and clinical methanol that mus is referring to. Zor |
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I am sorry I have to disagree. Downunder is correct. Rubbing alcohol is ethanol and not methanol. I wonder why rubbing alcohol came into this discussion. mus wants to know which is best to run glow engines, industrial methanol or clinical methanol. Personally I know about industrial methanol but I am not familiar with clinical methanol so I was asking him about it. I had never heard about clinical methanol. mus would you kindly explain please. Zor |
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Ringgold, GA, USA
Joined Jan 2006
1,045 Posts
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------------ This conversation has a familiar ring to it. <G> In the US, Isopropyl alcohol is rubbing alcohol. Not methanol. Ed Cregger |
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Ed, May I say that rubbing alcohol is formulated differently by various producers and contains about 75% Isopropyl and the rest all kinds of junk being water, fragrance and coloring stuff?Hey gals and guys do not use glow fuel for a good rub Zor |
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Wisconsin, USA
Joined Apr 2005
168 Posts
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See the little grinning face, like in the last line of your post # 11 ? |
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I think I got you now. You were suggesting to use the other alcohol. I must have been asleep on my keyboard. We get that "other alcohol" here from the LCBO. Liquor Control Board of Ontario. It was good advice but it did not click with me at the time. Wish you could join me for a good shot. Thanks for pinching me and waking me up. Zor |
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United States, TX, Weatherford
Joined Dec 2006
1,483 Posts
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Not! Wrong! If rubbing alcohol, commonly found is US drug stores, is that highly poisonous, I would be dead. The same methanol is a common ingredient in after shaving lotions, which is applied liberally to one's face after shaving. I mean, glow fuel is roughly 80% methanol! If it were that poisonous we would all be pushing up daisys. There are many stories about the drunks drinking after shaving lotions and going blind. Methanol (aka wood alcohol or methyl alcohol) will do that before it kills you out right. Yes indeed methanol is poisonous but it is not like Cobra venon. Gasoline (petrol for some of you) is also poisonous. We aint drinking it and I'm not going to drink any rubbing alcohol either. Cheers, Chip |
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