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Substance Name: Sulfanilic acid
RN: 121-57-3
UNII: 434Z8C2635
InChIKey: HVBSAKJJOYLTQU-UHFFFAOYSA-N

Classification Code

  • Skin / Eye Irritant

Molecular Formula

  • C6-H7-N-O3-S

Molecular Weight

  • 173.191
 
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Names and Synonyms

Name of Substance

  • 4-Sulfanilic acid
  • Sulfanilic acid

Synonyms

  • 4-Aminobenzenesulfonic acid
  • AI3-15414
  • Aniline-4-sulfonic acid
  • Aniline-p-sulfonic acid
  • Aniline-p-sulphonic acid
  • Benzenesulfonic acid, 4-amino-
  • CCRIS 4576
  • EC 204-482-5
  • EINECS 204-482-5
  • HSDB 5590
  • Kyselina sulfanilova
  • Kyselina sulfanilova [Czech]
  • NSC 7170
  • p-Aminobenzenesulfonic acid
  • p-Aminophenylsulfonic acid
  • Sulfanilic acid
  • Sulfanilsaeure
  • Sulfanilsaeure [German]
  • Sulphanilic acid
  • UNII-434Z8C2635

Systematic Names

  • Benzenesulfonic acid, 4-amino-
  • p-Aminobenzenesulfonic acid
  • Sulfanilic acid
  • Sulphanilic acid

Superlist Names

  • Benzenesulfonic acid, 4-amino-
  • Sulfanilic acid

Registry Numbers

CAS Registry Number

  • 121-57-3

FDA UNII

  • 434Z8C2635

Other Registry Number

  • 856062-06-1

Related Registry Numbers

  • 22484-64-6 (zinc[2:1] salt)
  • 515-74-2 (hydrochloride salt)

System Generated Number

  • 0000121573

Structure Descriptors

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

InChIKey

HVBSAKJJOYLTQU-UHFFFAOYSA-N

Smiles

S(c1ccc(N)cc1)(O)(=O)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intravenous 6gm/kg (6000mg/kg)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 211, Pg. 367, 1950.
rat LD50 oral 12300mg/kg (12300mg/kg)   "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972Vol. -, Pg. 180, 1972.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 288 deg C   EXP
pKa Dissociation Constant 3.34 (none) 15 EXP
log P (octanol-water) -2.16E+00 (none)   EXP
Water Solubility 1.08E+04 mg/L 20 EXP
Vapor Pressure 2.02E-07 mm Hg 25 EST
Henry's Law Constant 8.89E-13 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.32E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.