2,7-Naphthalenedisulfonic acid, 3,6-dihydroxy-, sodium salt (1:2)

CAS Registry Number®

7153-21-1

CAS Name

2,7-Naphthalenedisulfonic acid, 3,6-dihydroxy-, sodium salt (1:2)

Molecular Formula

C10H8O8S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 3,6-dihydroxy-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7153-21-1 (retrieved 2024-11-13) (CAS RN: 7153-21-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C10H8O8S2.2Na/c11-7-1-5-2-8(12)10(20(16,17)18)4-6(5)3-9(7)19(13,14)15;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;

InChIKey

InChIKey=LSFWJDNEINEGNI-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C1=CC2=C(C=C(O)C(S(=O)(=O)O)=C2)C=C1O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C2C=C(C(O)=CC2=CC1O)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3,6-dihydroxy-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 3,6-dihydroxy-, disodium salt
  • 2,7-Dihydroxy-3,6-naphthalenesulfonate disodium salt
  • Coupler O
  • Coupler 518

View All

Deleted or Replaced CAS Registry Numbers

1159811-22-9

CAS INSIGHTSTM
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