12.8 IUPAC nomenclature of Carboxylic acids#

Compound (common name, Structural formula, IUPAC Name)IUPAC Name
Prefix with position numberRoot usedPrimary suffixSecondary Suffix
Formic acid

$\text{HCOOH}$

methanoicacid
methaneoicacid
Acetic acid

$\text{CH}_3\text{COOH}$

Ethanoic acid
ethaneoicacid
Isobutyric acid

$(\text{CH}_3)_2\text{CHCOOH}$

2 – methylpropanoic acid
2 – methylpropaneoicacid
Phenyl acetic acid
2-phenyl ethanoic acid
2-phenylethaneoicacid
Oxalic acid

$\text{HOOC - COOH}$

ethane-1, 2 – dioicacid
ethane1, 2 –

dioicacid
Malonic acid

$\text{HOOC-CH}_2\text{-COOH}$

Propane-1,3-dioic acid
propane1, 3 –

dioicacid
Succinic acid

$\text{HOOC-(CH}_2)_2\text{-COOH}$

Butane-1,4-dioic acid
butane1, 4 –

dioicacid
Glutaric acid

$\text{HOOC-(CH}_2)_3\text{-COOH}$

Pentane-1,5-dioic acid
pentane1,5 –

dioicacid
Adipic acid

$\text{HOOC-(CH}_2)_4\text{-COOH}$

Hexane-1,6-dioic acid
hexane1,6 –

dioicacid
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