An aminobutyric (butanoic) acid is a substituted four-carbon carboxylic acid
in which a hydrogen atom has been replaced by an amino (-NH2) group.
NAME |
FORMULA..... |
......mp oC...... | SOLUBILITY IN WATER |
| butanoic acid | CH3CH2CH2COOH | -7.9 |
miscible |
| 2-aminobutanoic acid | CH3CH2CH(NH2)COOH | 304 |
210.5 g/L |
| 3-aminobutanoic acid | CH3CH(NH2)CH2COOH | 194 |
1250 g/L |
| 4-aminobutanoic acid...... | CH2(NH2)CH2CH2COOH............. | 202 |
freely soluble............ |
