Esters of propane acid

LC2.4.3.2

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Description

Carboxylic acid esters are often very aromatic compounds. They are the products of an esterification in which carboxylic acids react with alcohols with the elimination of a water molecule. In this experiment, the students themselves make 2 esters from propanoic acid (propionic acid), which are known for their aromatic smell. The students realise that aromas can be created from bad-smelling substances through a reaction. At the same time, they learn about an acid-catalysed reaction with esterification.

Components of equipment sets

1	30945 4	Universal pencil
2	665997 4	Graduated pipette 10 ml
1	666003 4	Pipetting ball (Peleus ball)
1	667057 4	Test tube rack metal, 20 mm Ø
2	6640421 4	Test tube Fiolax 16 mm x 160 mm
2	667253 4	Rubber stopper solid, 14...18 mm Ø
2	602022 4	Beaker Boro 3.3, 100 ml, squat
1	664131 4	Beaker Boro 3.3, 400 ml, squat
1	610010 8	Laboratory safety goggles
1	667609 4	Safety gloves, nitrile rubber, size 8
1	6744510 4	Propionic acid, 250 ml Danger H314
1	6747850 4	Sulfuric acid, 95-98 %, 250 ml Danger H314 H290
1	6719720 4	Ethanol, denaturated, 1 l Danger H225 H319
1	6741200 4	1-Pentanol, 100 ml Warning H226 H332 H335 H315

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Esters of propane acid

Description

Components of equipment sets

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