NCH3

O

O

O

O

CH3

pH

% Species

1 2 3 4 5 6 7 8 9 10 11 12 13 14

100.0094.1288.2482.3576.4770.5964.7158.8252.9447.0641.1835.2929.4123.5317.6511.76

0.00

LHL

Calculated Solubility In Pure Water

Solubility (mol/l) = 7.7e-4 at pH = 9.90

Log(1/S) for neutral form: 3.16

Monocations:

Log(1/S) (Charge not near aromatic): 0.06 ± 1.0

[1] Solubility, Mol/L: 0.004 ( 15 °C )

Solubility, original: 0.004 moles per liter

Kolthoff, J.M., "Die Dissoziationskonstante, das Loslichkeitsprodukt und die Titrierbarkeit von Alkaloiden", Biochemische

Zeitschrift (1948-1967), 1925, 162, 289-353.

Five point evaluation: 22200

[2] Solubility, Mol/L: 0.0053 ( 25 °C )

Solubility, original: 0.16 grams per 100 grams (mls) water

Alessandro Malfatto - 083886

Dawson, R.M.C.; Elliott, D.C.; Elliott, W.H.; Jones, K.M., Book Data for Biochemical Research, 1969, 1, 1-1.

Five point evaluation: 10001

[3] Solubility, Mol/L: 0.0125 ( 80 °C )

Solubility, original: 0.38 grams per 100 grams (mls) water

Dawson, R.M.C.; Elliott, D.C.; Elliott, W.H.; Jones, K.M., Book Data for Biochemical Research, 1969, 1, 1-1.

Five point evaluation: 10001

***********

[1] Solubility, Mol/L: 0.0059 ( 22 °C )

Solubility, original: 1800 milligrams per liter

Freier, R.K., Book Aqueous Solutions / Wassrige Losungen, 1976, 1.

Five point evaluation: 10001

Alessandro Malfatto - 083886