| As I recall Reagent grade is 99% pure (198 proof) and denatured has 
something added to it to make it poisonous, not water, but I do not recal 
what, most likely a benzne related compound as they are soluble in 
alcohol but very toxic. Water would not make it toxic and that was part 
of the aim in denaturing alcohol.
Larry
>>>>On 1/7/00 6:17 AM so and so (DLancer7676@cs.com) said. (And I quote:)
>In a message dated 1/7/00 12:32:27 AM Eastern Standard Time, mhanna@ball.com 
>writes:
>
><< reagent grade as being pure and 
> denatured alcohol as having water added to it.  >>
>
>Not sure, but when I was a Pharmacy Intern in a Hospital Pharmacy we used to 
>use 5 gallon carboys of pure 190 proof grain alcohol in prescriptions.  A 
>possible source if it's the same thing??  (Nope--never drank any of it--it 
>was dyed blue to keep that from happening!!!   LOL)
>
>--David C.
Larry Macy
78 Midget
Keep your top down and your chin up.
Larry B. Macy, Ph.D.
macy@bblmail.psycha.upenn.edu
System Manager/Administrator
Neuropsychiatry Section
Department of Psychiatry
University of Pennsylvania
3400 Spruce St. - 10 Gates
Philadelphia, PA 19104
 Ask a question and you're a fool for three minutes; do not ask a 
question and you're a fool for the rest of your life. 
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