Direct Blue 78

CAS Registry Number®

2503-73-3
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CAS Name

Direct Blue 78

Molecular Formula

C42H29N7O13S4.4Na

Cite this Page

Direct Blue 78.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2503-73-3 (retrieved 2024-09-20) (CAS RN: 2503-73-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C42H29N7O13S4.4Na/c50-42-29-13-10-26(43-25-6-2-1-3-7-25)20-24(29)21-40(66(60,61)62)41(42)49-47-35-16-15-34(30-8-4-5-9-31(30)35)44-46-37-18-17-36(32-14-11-27(22-33(32)37)63(51,52)53)45-48-38-23-28(64(54,55)56)12-19-39(38)65(57,58)59;;;;/h1-23,43,50H,(H,51,52,53)(H,54,55,56)(H,57,58,59)(H,60,61,62);;;;

InChIKey

InChIKey=YYPNKLVLUGJWOG-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C(N=NC=3C(S(=O)(=O)O)=CC4=C(C3O)C=CC(NC5=CC=CC=C5)=C4)=CC1)C=CC=C2)C=6C7=C(C(N=NC8=C(S(=O)(=O)O)C=CC(S(=O)(=O)O)=C8)=CC6)C=CC(S(=O)(=O)O)=C7.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC=C(C(N=NC2=CC=C(N=NC3=CC=C(N=NC=4C(O)=C5C=CC(=CC5=CC4S(=O)(=O)O)NC=6C=CC=CC6)C=7C=CC=CC37)C=8C=C(C=CC28)S(=O)(=O)O)=C1)S(=O)(=O)O

Other Names for this Substance

  • 1,4-Benzenedisulfonic acid, 2-[2-[4-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:4)
  • C.I. Direct Blue 78, tetrasodium salt
  • Sirius Supra Blue G
  • 1,4-Benzenedisulfonic acid, 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl]azo]-6-sulfo-1-naphthalenyl]azo]-, tetrasodium salt
  • C.I. Direct Blue 78

View All

Deleted or Replaced CAS Registry Numbers

47909-69-3