8896. Sulfabenz

Nomenclature

CAS number: 127-77-5

4-Amino-N-phenylbenzenesulfonamide; sulfanilanilide; p-aminobenzenesulfonanilide; p-aminophenylsulfonamidobenzene; N¹-phenylsulfanilamide.

C₁₂H₁₂N₂O₂S; mol wt 248.30.

C 58.05%, H 4.87%, N 11.28%, O 12.89%, S 12.91%.

Prepn: Gelmo, J. Prakt. Chem. 77, 369 (1908); Mastryukova et al., Tetrahedron 19, 357 (1963).

Needles from dil alc, mp 200°. Practically insol in water; readily sol in warm alcohol, acetone. pKa: 10.94 (in 50% aq alc); 11.59 (in 80% aq alc).

Antibacterial; coccidiostat (for poultry).