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Substance Name: 2-Amino-1-naphthalenesulfonic acid
RN: 81-16-3
UNII: F9QKW1FCE0
InChIKey: GWIAAIUASRVOIA-UHFFFAOYSA-N

Classification Code

  • Skin / Eye Irritant

Molecular Formula

  • C10-H9-N-O3-S

Molecular Weight

  • 223.2511
 
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Names and Synonyms

Name of Substance

  • 2-Amino-1-naphthalenesulfonic acid
  • 2-Naphthylamine-1-sulfonic acid

Synonyms

  • 1-Naphthalenesulfonic acid, 2-amino-
  • 2-Amino-1-naphthalenesulfonic acid
  • 2-Naphthylamine-1-sulfonic acid
  • 4-14-00-02792 (Beilstein Handbook Reference)
  • BRN 0613084
  • CCRIS 9048
  • EINECS 201-331-5
  • HSDB 5239
  • Kyselina 2-naftylamin-1-sulfonova
  • Kyselina 2-naftylamin-1-sulfonova [Czech]
  • Kyselina tobiasova
  • Kyselina tobiasova [Czech]
  • NSC 5523
  • Tobias acid
  • UNII-F9QKW1FCE0

Systematic Names

  • 1-Naphthalenesulfonic acid, 2-amino-
  • 2-Aminonaphthalene-1-sulphonic acid

Superlist Names

  • 1-Naphthalenesulfonic acid, 2-amino-
  • 2-Amino-1-naphthalenesulfonic acid

Registry Numbers

CAS Registry Number

  • 81-16-3

FDA UNII

  • F9QKW1FCE0

Related Registry Number

  • 68540-41-0 (mono-ammonium salt)

System Generated Number

  • 0000081163

Structure Descriptors

InChI

1S/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)

InChIKey

GWIAAIUASRVOIA-UHFFFAOYSA-N

Smiles

Nc1ccc2ccccc2c1S(=O)(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 19400mg/kg (19400mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1057, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 180 deg C   EXP
log P (octanol-water) -1.16E+00 (none)   EXP
Water Solubility 4100 mg/L 20 EXP
Vapor Pressure 5.26E-10 mm Hg 25 EST
Henry's Law Constant 8.68E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 4.41E-11 cm3/molecule-sec 25 EST

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