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CHEM 2311 Sythesis Of Isopentyl Acetone Banana Oil Lab Report

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Sandra Watson
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University of Minnesota, Twin Cities

Organic Lab (CHEM 2311)

Synthesis of Isopentyl Acetate: Banana Oil
Purpose
The purpose of this experiment was to synthesis isopentyl acetate (banana oil) from the reaction
of isopentyl alcohol with acetic acid by performing fischer esterification. The techniques used in
this experiment include: refluxing, extraction, separation, filtration, boiling point, and simple
distillation. We used proton nuclear magnetic resonance spectroscopy (1H NMR) and infrared
spectroscopy (IR) to confirm the identity of our final product.

Observations:
In the first part of the reaction while refluxing, sulfuric acid was added to the acetic acid and
isopentyl alcohol solution and the solution turned a brownish pink color. During the reflux the
solution got darker as the reaction progressed and began to have a banana smell.

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CHEM 2311 Sythesis Of Isopentyl Acetone Banana Oil Lab Report

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