2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4′-[2-(4-hydroxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-, sodium salt (1:2)

CAS Registry Number®

3626-28-6

CAS Name

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4′-[2-(4-hydroxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-, sodium salt (1:2)

Molecular Formula

C34H25N7O8S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4′-[2-(4-hydroxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3626-28-6 (retrieved 2024-12-23) (CAS RN: 3626-28-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H25N7O8S2.2Na/c35-31-30-22(19-29(51(47,48)49)33(34(30)43)41-38-23-4-2-1-3-5-23)18-28(50(44,45)46)32(31)40-39-25-12-8-21(9-13-25)20-6-10-24(11-7-20)36-37-26-14-16-27(42)17-15-26;;/h1-19,42-43H,35H2,(H,44,45,46)(H,47,48,49);;

InChIKey

InChIKey=VOXSPCKXIPFTMP-UHFFFAOYSA-N

SMILES

NC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(C=C3)C4=CC=C(N=NC5=CC=C(O)C=C5)C=C4)C=C(S(=O)(=O)O)C(N=NC6=CC=CC=C6)=C2O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC2=CC(=C(N=NC3=CC=C(C=C3)C=4C=CC(N=NC5=CC=C(O)C=C5)=CC4)C(N)=C2C(O)=C1N=NC=6C=CC=CC6)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4′-[2-(4-hydroxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-, sodium salt (1:2)
  • C.I. Direct Green 1, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[[4′-[(4-hydroxyphenyl)azo][1,1′-biphenyl]-4-yl]azo]-6-(phenylazo)-, disodium salt
  • C.I. Direct Green 1
  • Direct Green B

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CAS INSIGHTSTM
Pile of blue, green, and white color of capsule pills with modern design light.