Nomenclature
CAS number: 144-80-9
N-[(4-Aminophenyl)sulfonyl]acetamide;
N-sulfanilylacetamide;
N1-acetylsulfanilamide;
p-aminobenzenesulfonoacetamide.
C
8H
10N
2O
3S; mol wt 214.24.
C 44.85%, H 4.70%, N 13.08%, O 22.40%, S 14.97%.
Description and references
Incorrectly called sulfacetimide. Prepn: M. L. Crossley et al., J. Am. Chem. Soc. 61, 2950 (1939);
M. Dohrn, P. Diedrich, Muench. Med. Wochenschr. 85, 2017 (1938); eidem, US 2411495 (1946 to Schering). Toxicity: R. S. Fisher, H. B. Haag, J. Urol. 47, 183 (1942). Antimicrobial activity:
R. D. Houlsby et al., J. Pharm.
Sci. 72, 1401 (1983). GC determn in animal
tissues: A. E. Mooser, H. Koch, J. AOAC Int. 76, 976 (1993). Clinical trial in conjunctivitis: J.
A. Lohr et al., Pediatr. Infect.
Dis. J. 7, 626 (1988); in acne: D. L. Breneman,
M. C. Ariano, Int. J. Dermatol. 32, 365 (1993). Comprehensive description: I. Ahmad et al., Anal. Profiles Drug Subs. Excip. 23, 471-509 (1994).
Properties
White or yellowish white prisms, mp 182-184°. Acidic, slightly saline
taste. uv max (water, 0.1M HCl,
0.1M HCl, 0.1M NaOH): 258, 217, 270, 256 (am 17700, 18900, 8900, 17300). Soluble in 150 parts water at 20°, in 15 parts alcohol, in 7 parts
acetone. Sol in mineral acids and soln of alkali hydroxides and carbonates.
Slightly sol in ether; very slightly sol in chloroform. An aq soln
is acid to litmus. LD50 orally in dogs: 8000 mg/kg (Fisher).Derivative
Sodium salt.
Nomenclature
CAS number: 127-56-0;
6209-17-2
(monohydrate)
Soluble sulfacetamide; Ak-Sulf (Akorn); Albucid (Ankerpharm); Antébor (Biologiques); Beocid-Puroptal (Metochem); Bleph-10 (Allergan); Cetamide (Alcon); Prontamid (SIT); Sebizon (Schering); Sodium Sulamyd (Schering); Sulf-10 (Novartis); Sulten-10 (Bausch & Lomb).
C
8H
9N
2NaO
3S; mol wt 236.22.
C 40.68%, H 3.84%, N 11.86%, Na 9.73%, O 20.32%, S 13.57%.
Properties
Minute prisms from dil alcohol, mp 257°. Occurs as the monohydrate;
white, odorless, crystalline powder with slightly bitter taste. uv max (pH 7.0 phosphate buffer, 0.1M HCl,
aq. acid, 0.1M NaOH, aq alkali): 255, 271, 271, 256, 256 (A1cm1% 660-720, 207, 260, 626, 750). Sol in 1.5 parts water. Slightly sol in 96% ethanol; sparingly
sol in acetone. Practically insol in ether and chloroform. pKa1 (amino group): 1.8; pKa2 (sulfonamide group at 25°): 5.4.Therapeutic Category
Antibacterial.
Therapeutic Category (Veterinary)
Antibacterial.
Keywords
Antibacterial (Synthetic); Sulfonamides