Home » Class XII » XII Chemistry » Ester COO

Ester COO


Organic compounds that contain divalent functional group – COO – are called ester.

General Formula

They are denoted by RCOOR where R may be any alkyl group. The alkyl groups of ester may be similar or different. The general formula of ester is
CnH2n+1 – COO – CnH2n+1
Where n may be any natural number.


The structural formula of ester shows that it contains a Carbonyl group.

1. Dimethyl Ester (CH3COOCH3)

Uses of Ester

1. It is used as a good solvent for paints, varnishes, oils, fats, gums, resins, cellulose etc.
2. It is used as plasticizer.
3. It is used in the preparation of artificial flavours and essences.

Fahim Patel

By Fahim Patel

Fahim Patel is the Content Manager of guesspapers.net. A graduate from Karachi University, he has intensive experience in content production.