Table 2.

Physico-chemical properties, percent speciation as a function of pH and ionization equilibria [27] of Sulfadiazine.

Compound	Sulfadiazine (SDZ)
Formula	C10H10N4O2S
Chemical Structure
MW	250.28 g mol−1
pKa	2.00/6.50 a
log Kow	−0.09 a
Water solubility	77 mg·L−1 (25 °C) b
Diffusion coefficient	0.605 × 10−9 m2s−1
Stokes radius	0.40 nm
Speciation
Ionization equilibria

^a Data from [28]. ^b Data from [29].