2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

5850-73-7

CAS Name

2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C24H16ClN3O7S3.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5850-73-7 (retrieved 2024-12-23) (CAS RN: 5850-73-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C24H16ClN3O7S3.2Na/c1-12-2-7-18-19(8-12)36-24(26-18)13-3-5-15(6-4-13)27-28-22-20(38(33,34)35)10-14-9-16(37(30,31)32)11-17(25)21(14)23(22)29;;/h2-11,29H,1H3,(H,30,31,32)(H,33,34,35);;

InChIKey

InChIKey=LFVOHVNQABQLGQ-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(C=C3)C=4SC=5C(N4)=CC=C(C)C5)C=C(S(=O)(=O)O)C=C2Cl.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C(Cl)C2=C(O)C(N=NC3=CC=C(C=C3)C4=NC5=CC=C(C=C5S4)C)=C(C=C2C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-, sodium salt (1:2)
  • C.I. Direct Red 20, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[[4-(6-methyl-2-benzothiazolyl)phenyl]azo]-, disodium salt
  • Rose BD
  • C.I. 15075

View All

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