DISSOCIATION CONSTANTS FOR BASES (25°C)
Name	Formula	kb
Ammonia	NH3	1.80 × 10-5
Aniline	C6H5NH2	4.30 × 10-10
n-Butylamine	C4H9NH2	4.0 × 10-4
sec-Butylamine	(CH3)2CHCH2NH2	3.6 × 10-4
tert-Butylamine	(CH3)3CNH2	4.8 × 10-4
Codeine	C18H21O3N	8.91 × 10-7
Diethylamine	(CH3CH2)2NH	3.09 × 10-5
Dimethylamine	(CH3)2NH	5.40 × 10-4
Ethylamine	C2H5NH2	6.40 × 10-4
Hydrazine	H2NNH2	1.30 × 10-6
Hydroxylamine	HONH2	1.10 × 10-8
Methylamine	CH3NH2	4.40 × 10-4
Morphine	C17H19O3N	7.41 × 10-7
Piperidine	C5H11N	1.32 × 10-3
Propylamine	C3H7NH2	3.5 × 10-4
Pyridine	C5H5N	1.70 × 10-9
Quinoline	C9H7N	6.31 × 10-10
Triethanolamine	C6H15O3N	5.75 × 10-7
Triethylamine	(CH3CH2)3N	5.25 × 10-4
Trimethylamine	(CH3)3N	6.40 × 10-5