2-Amino-1-naphthalenesulfonic acid

CAS Registry Number®

81-16-3
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CAS Name

2-Amino-1-naphthalenesulfonic acid

Molecular Formula

C10H9NO3S

Molecular Mass

223.25

Cite this Page

2-Amino-1-naphthalenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=81-16-3 (retrieved 2024-04-22) (CAS RN: 81-16-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    180 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

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

InChIKey=GWIAAIUASRVOIA-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C=CC1N)C=CC=C2

Canonical SMILES

O=S(=O)(O)C1=C(N)C=CC=2C=CC=CC21

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 2-amino-
  • 2-Amino-1-naphthalenesulfonic acid
  • 2-Naphthylamine-1-sulfonic acid
  • Tobias acid
  • 1-Sulfo-2-naphthylamine

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