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Curious - Seperating Methanol and toulene? Options
 
MomentOfTruth
#1 Posted : 9/10/2012 6:53:53 PM

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I can't seem to find 100% Toulene anywhere in my area. I have however found a hardware store that sells "Lacquer Thinner" that contains Methyl Alcohol and Toulene. I only need a small amount of toulene(recommended solvent) for this particular project, so i'm wondering if this would be an easy/inexpensive workaround that would save me from ordering online.

I am under the understanding that Toulene is almost completely insoluble in water so i'm wondering if i did a liquid/liquid extraction and added some H20 to the solvent, if it would seperate into 2 distinct layers. Thus allowing me to pull the methanol/h20 solution off and leave the toulene behind. Appreciate any insights on this matter!

Thanks!
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Dr_Sister
#2 Posted : 9/12/2012 12:07:21 AM

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It definitely works with ethanol/toluene mixtures. Methanol being more polar should work as well. Use a fairly large volume of H20, about equal to the volume of laquer thinner. You'll know if it worked when the aqueous volume increases.
 
MomentOfTruth
#3 Posted : 9/12/2012 1:12:43 PM

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OK great, i'm going to give it a shot this weekend and see what happens! Thank you very much!!
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Infundibulum
#4 Posted : 9/12/2012 7:49:31 PM

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yes, rinsing your tolu/methanol mixture with water is exactly what you need to do!


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MomentOfTruth
#5 Posted : 9/13/2012 6:55:13 PM

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Thank you sir! Its a great feeling to start figuring some of these things out myself with a little critical thinking and a dab of ingenuity! I just wanted to get reassurance from the experienced folks here at the nexus before I gave it a shot!
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