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LAB ETHANOL that smells like RUM

question ethanol reaction rum chemistry

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2 replies to this topic

#1 Jo Duyvestyn

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Posted 06 November 2013 - 11:16 PM

So we have some 70% ethanol in the lab... and one batch of it smells VERY strongly like rum. As far as i can tell the most likely explanation is that it has formed an ester... (isobutyl propionate) but i am wondering if this is likely and/or how this reaction would happen, or if anyone has any other suggestions to solve this alcoholic mystery. And no, Capt jack sparrow has not been in the lab recently. 



#2 Borek

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Posted 07 November 2013 - 12:20 AM

Unlikely. Contaminated with an ester - yes. Formed an ester - no.


Edited by Borek, 07 November 2013 - 12:20 AM.


#3 bob1

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Posted 07 November 2013 - 12:20 AM

No idea about the ester formation, though this is a possibility in low grade ethanol preparations.  It is also possible that the batch of ethanol was prepared from the ingredients used to make rum, and then distilled down.







Also tagged with one or more of these keywords: question, ethanol, reaction, rum, chemistry

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