232 Chromatography template Fall 2018.doc - Chemistry 232...

Chemistry 232 Fall 2018, Spring and Summer 2019
Chromatography of Natural Oils
Date: Feb 5 Name: Gaurav Gill
Abstract
Oil Used and Structure of the Enantiomer of Carvone Isolated
Procedure Reference
Column Chromatography of Caraway Oil
Reagents
Compound MW Used moles Physical and Safety Data
Caraway Oil 2.019g Potential acute or chronic health
effects.
Specific gravity 0.905
Hexanes 86.16
g/mol
Flammable, highly toxic
Density 0.672 g.mL-1, bp 68-70°C
Silica Gel 60.08
g/mol
15.42g 0.257 Inhalation hazard .
The limiting reagent is: Caraway Oil
Product
Compound MW Isolated moles % yield
Carvone 150.22
g/mol
0.188g 0.00125 0.093

Provide a physical description of your isolated compound
The isolated (S)-(+)-carvone was colourless and had a minty smell.
Yield Calculation for Carvone—Calculate the yield from the amount of oil used to the
isolated product!
Carvone isolated / Caraway Oil used
0.188g / 2.019g = 0.093%
Column Chromatography Results
Fraction Number Solvent Solvent volume Fraction Contents
Polarimetry Data
Mass of Carvone used: 0.206g Volume of Ethanol used: 25ml