6
$\begingroup$

I can only find info on sec-butanol (aka butan-2-ol) and ethanol. I need to know whether isobutanol forms an azeotrope with ethanol. Can you direct me to a legitimate info source too, please?

$\endgroup$
  • 1
    $\begingroup$ sciencedirect.com/science/article/pii/037838129180013L $\endgroup$ – Curt F. Jul 7 '16 at 11:44
  • $\begingroup$ From PubChem, 2 butanol is soluble in water, very soluble in acetone and miscible in ethanol and ethyl ether. If acetone is not a problem you can dissolve in a little acetone then add to ethanol. $\endgroup$ – porphyrin Jul 7 '16 at 17:13
  • $\begingroup$ Unlikely. Compounds with similar polarity/chemical structure do not form aceotropes with each other. en.wikipedia.org/wiki/Azeotrope#Mechanism $\endgroup$ – Karl Jul 8 '16 at 10:09
  • $\begingroup$ I've come to the conclusion the EtOH and iBuOH are miscible and will therefore not form an azeotrope based on the info provided here and elsewhere. $\endgroup$ – RedWold321 Jul 20 '16 at 21:06
  • $\begingroup$ That's a non sequitur. Compounds may be miscible and still form an azeotrope, like water and ethanol do. $\endgroup$ – Ivan Neretin Mar 1 '17 at 6:30
1
$\begingroup$

According to the Merck Index${^{[1]}}$

isobutanol is miscible with ethanol

1) O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Cambridge, UK: Royal Society of Chemistry, 2013., p. 953

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.