Direct Black 19

CAS Registry Number®

6428-31-5

CAS Name

Direct Black 19

Molecular Formula

C34H29N13O7S2.2Na

Cite this Page

Direct Black 19.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6428-31-5 (retrieved 2024-12-23) (CAS RN: 6428-31-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H29N13O7S2.2Na/c35-18-1-11-26(24(37)15-18)44-40-20-3-7-22(8-4-20)42-46-32-28(55(49,50)51)13-17-14-29(56(52,53)54)33(34(48)30(17)31(32)39)47-43-23-9-5-21(6-10-23)41-45-27-12-2-19(36)16-25(27)38;;/h1-16,48H,35-39H2,(H,49,50,51)(H,52,53,54);;

InChIKey

InChIKey=JUXVLJKHWACNJB-UHFFFAOYSA-N

SMILES

NC=1C2=C(C=C(S(=O)(=O)O)C(N=NC3=CC=C(N=NC4=C(N)C=C(N)C=C4)C=C3)=C2O)C=C(S(=O)(=O)O)C1N=NC5=CC=C(N=NC6=C(N)C=C(N)C=C6)C=C5.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC2=CC(=C(N=NC3=CC=C(N=NC4=CC=C(N)C=C4N)C=C3)C(N)=C2C(O)=C1N=NC5=CC=C(N=NC6=CC=C(N)C=C6N)C=C5)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[2-[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-, sodium salt (1:2)
  • C.I. Direct Black 19, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt
  • C.I. 35255
  • Artificial Silk Black G

View All

Deleted or Replaced CAS Registry Numbers

135151-56-3, 69073-20-7, 73944-27-1, 76450-44-7, 431058-20-7, 148196-18-3

CAS INSIGHTSTM
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