Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Metanilic acid
RN: 121-47-1
UNII: OT03NUM20P
InChIKey: ZAJAQTYSTDTMCU-UHFFFAOYSA-N

Classification Codes

  • Mutation Data
  • Skin / Eye Irritant

Molecular Formula

  • C6-H7-N-O3-S

Molecular Weight

  • 173.1913
 
* denotes mobile formatted website

Links to Resources


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • Metanilic acid

Synonyms

  • 1-Aminobenzene-3-sulfonic acid
  • 3-Amino-benzenesulfonic acid
  • 4-14-00-02647 (Beilstein Handbook Reference)
  • AI3-23215
  • Aminobenzenesulfonic acid
  • Benzenesulfonic acid, 3-amino-
  • BRN 0473264
  • CCRIS 2760
  • EC 204-473-6
  • EINECS 204-473-6
  • Kyselina anilin-3-sulfonova
  • Kyselina anilin-3-sulfonova [Czech]
  • Kyselina metanilova
  • Kyselina metanilova [Czech]
  • m-Aminobenzenesulfonic acid
  • m-Anilinesulfonic acid
  • m-Sulfanilic acid
  • Metanilic acid
  • NSC 4504
  • UNII-OT03NUM20P

Systematic Names

  • 3-Aminobenzenesulphonic acid
  • Benzenesulfonic acid, 3-amino-
  • Metanilic acid

Superlist Name

  • Metanilic acid

Registry Numbers

CAS Registry Number

  • 121-47-1

FDA UNII

  • OT03NUM20P

Related Registry Number

  • 1126-34-7 (mono-hydrochloride salt)

System Generated Number

  • 0000121471

Structure Descriptors

InChI

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

InChIKey

ZAJAQTYSTDTMCU-UHFFFAOYSA-N

Smiles

c1cc(cc(c1)S(=O)(=O)O)N

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point dec deg C   EXP
pKa Dissociation Constant 3.75 (none)   EXP
log P (octanol-water) -2.080 (none)   EST
Water Solubility 1.28E+04 mg/L 7 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.