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General formula of esters

CnH2n+1COOCn'H2n'+1

Where n and n' may or may not be the same. n = H, CH3, CH3CH2, CH3CH2CH2 etc. n' = CH3, CH3CH2, CH3CH2CH2 etc.

Esters of C3H6O2

There are two esters with this molecular formula.

HCOOCH3

CH3COOCH3 methyl ethanoate HCOOCH2CH3 ethyl methanoate

formulae of methyl methanoate ester

Esters: Occurrence & Uses

Esters occur in fruit - giving ripe fruit their characteristic smell and flavour. Fats and oils are natural (complex) esters. Esters are used as solvents for cosmetics and varnishes.

video on the occurrence of esters in fruit

Formulae for Methyl Methanoate

HCOOCH3

formulae of methyl methanoate ester

Esters of C4H8O2

There are four esters with this molecular formula.

HCOOCH3

HCOOCH2CH2CH3 propyl methanoate CH3COOCH2CH3 ethyl ethanoate CH3CH2COOCH3 methyl propanoate The fourth you don't need to know: HCOOCH(CH3)2

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