1,5-Naphthalenedisulfonic acid

CAS Registry Number®

81-04-9

CAS Name

1,5-Naphthalenedisulfonic acid

Molecular Formula

C10H8O6S2

Molecular Mass

288.30

Cite this Page

1,5-Naphthalenedisulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=81-04-9 (retrieved 2024-11-22) (CAS RN: 81-04-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    242.5 °C (decomp)

Source(s)

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

Other Names and Identifiers

InChI

InChI=1S/C10H8O6S2/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16/h1-6H,(H,11,12,13)(H,14,15,16)

InChIKey

InChIKey=XTEGVFVZDVNBPF-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C(S(=O)(=O)O)=CC=C2)C=CC1

Canonical SMILES

O=S(=O)(O)C=1C=CC=C2C1C=CC=C2S(=O)(=O)O

Other Names for this Substance

  • 1,5-Naphthalenedisulfonic acid
  • Armstrong's acid
  • Napadisylic acid
  • NSC 9588
  • Naphthalene-1,5-disulfonic acid

Deleted or Replaced CAS Registry Numbers

46874-44-6, 1431794-74-9

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