How do you identify an ester?
Answers
What is an ester in chemistry?
Esters are non-hydrocarbon organic compounds containing carbon, hydrogen and oxygen.
How do you identify an ester?
Esters are usually identified by gas chromatography, taking advantage of their volatility. IR (infrared) spectra for esters feature an intense, sharp band in the range 1730–1750 cm−1 assigned to νC=O, or vibration of the C=O. bond. This peak changes depending on the functional groups attached to the carbonyl.
Physical properties of esters:
The most noticeable characteristic of the esters is their smell. The simple esters are neutral compounds with a sweet pleasant smell (fruity smell).
These esters tend to be colourless liquids with boiling points much lower than those of carboxylic acids of similar molecular masses; making them a group of volatile compounds.
They are slightly soluble in water but readily dissolve in organic solvents.
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