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CAS No 127-71-9 , N-(4-aminophenyl)sulfonylbenzamide

  • Name: N-(4-aminophenyl)sulfonylbenzamide
  • Synonyms: Sulfabenzid; N-Benzoylsulfanilamide;Sulfabenzide; N-Sulfanilylbenzamide; N-Sulfamylbenzamide; Sulfamylbenzamide;N-(4-aminophenyl)sulfonylbenzamide; Sulfabenzoylamide;
  • CAS Registry Number:
  • Transport: 3249
  • Melting Point: 180-184 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.369 g/cm3
  • Refractive index: 1.635
  • Water Solubility: 0.3 G/L (20 ºC)
  • Safety Statements: 22-24/25 37 45 28A
  • Flash Point: °C
  • EINECS: 204-859-4
  • Molecular Weight: 276.31098
  • InchiKey: PBCZLFBEBARBBI-UHFFFAOYSA-N
  • InChI: InChI=1S/C13H12N2O3S/c14-11-6-8-12(9-7-11)19(17,
    18)15-13(16)10-4-2-1-3-5-10/h1-9H,14H2,(H,15,16)
  • Risk Statements: S24/25
  • Molecular Formula: C13H12N2O3S
  • Molecular Structure:CAS No:127-71-9 N-(4-aminophenyl)sulfonylbenzamide

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References of N-(4-aminophenyl)sulfonylbenzamide
Title: Sulfabenzamide
CAS Registry Number: 127-71-9
CAS Name: N-[(4-Aminophenyl)sulfonyl]benzamide
Synonyms: N-sulfanilylbenzamide; N1-benzoylsulfanilamide; N-(p-aminobenzenesulfonyl)benzamide
Trademarks: Sulfabenzide
Molecular Formula: C13H12N2O3S
Molecular Weight: 276.31
Percent Composition: C 56.51%, H 4.38%, N 10.14%, O 17.37%, S 11.60%
Literature References: Prepn: Crossley et al., J. Am. Chem. Soc. 61, 2950 (1939); Dvornikoff, US 2240496 (1941 to Monsanto); GB 541958 (1942 to Schering AG); Siebenmann, Schnitzer, J. Am. Chem. Soc. 65, 2126 (1943).
Properties: Long, hexagonal prisms from 60% alcohol, mp 181.2-182.3°. pKa (25°): 4.57. Substantially insol in water. One gram dissolves in 3225 ml of water at 30°, in 33 ml of 95% ethanol, in 9 ml of acetone. Soly in 1N NaOH or KOH: ~16 g/100 ml; pH just above 7.0. Aq solns of the water-soluble sodium salt have the same pH.
Melting point: mp 181.2-182.3°
pKa: pKa (25°): 4.57
Therap-Cat: Antibacterial.
Therap-Cat-Vet: Antimicrobial.
Keywords: Antibacterial (Synthetic); Sulfonamides.