Registration Dossier
Registration Dossier
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EC number: 200-346-4 | CAS number: 57-68-1
Dissociation constant
Administrative data
Link to relevant study record(s)
Description of key information
The dissociation constants for Sulfadimidine are pKa1 = 2.65 (aromatic amine) and pKa2 = 7.65 (sulfonamide nitrogen).
Key value for chemical safety assessment
Additional information
As reported in HSDB Report of Sulfamethazine (synonym of Sulfadimidine) with reference to Tolls, Environ Sci Technol 35: 3397-406, 2001 the dissociation constants for Sulfadimidine are pKa1 = 2.65 (aromatic amine) and pKa2 = 7.65 (sulfonamide nitrogen).
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