2,7-Naphthalenedisulfonic acid, 5-amino-3-[2-(5-chloro-2-hydroxyphenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)

CAS Registry Number®

6222-44-2

CAS Name

2,7-Naphthalenedisulfonic acid, 5-amino-3-[2-(5-chloro-2-hydroxyphenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)

Molecular Formula

C16H12ClN3O8S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 5-amino-3-[2-(5-chloro-2-hydroxyphenyl)diazenyl]-4-hydroxy-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6222-44-2 (retrieved 2024-12-18) (CAS RN: 6222-44-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H12ClN3O8S2.2Na/c17-8-1-2-12(21)11(5-8)19-20-15-13(30(26,27)28)4-7-3-9(29(23,24)25)6-10(18)14(7)16(15)22;;/h1-6,21-22H,18H2,(H,23,24,25)(H,26,27,28);;

InChIKey

InChIKey=YIGPAXXQFFROGD-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=C(O)C=CC(Cl)=C3)C=C(S(=O)(=O)O)C=C2N.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N)=C2C(O)=C(N=NC3=CC(Cl)=CC=C3O)C(=CC2=C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-[2-(5-chloro-2-hydroxyphenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
  • C.I. Mordant Green 28, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-[(5-chloro-2-hydroxyphenyl)azo]-4-hydroxy-, disodium salt
  • C.I. 17220
  • Chrome Green M

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