Sulfanilic acid

CAS Registry Number®

121-57-3
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CAS Name

Sulfanilic acid

Molecular Formula

C6H7NO3S

Molecular Mass

173.19

Cite this Page

Sulfanilic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=121-57-3 (retrieved 2024-04-24) (CAS RN: 121-57-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    279 °C
  • Melting Point (2)

    288 °C
  • Density (2)

    1.485 g/cm³ @ Temp: 25 °C

Source(s)

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=HVBSAKJJOYLTQU-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Benzenesulfonic acid, 4-amino-
  • Sulfanilic acid
  • 4-Aminobenzenesulfonic acid
  • p-Aminobenzenesulfonic acid
  • Aniline-p-sulfonic acid

Deleted or Replaced CAS Registry Numbers

856062-06-1

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