CAS Registry Number®
1787-61-7
CAS Name
Eriochrome Black T
Molecular Formula
C20H13N3O7S.Na
Other Names and Identifiers
InChI
InChI=1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);
InChIKey
InChIKey=YUJFCGQWGATJPG-UHFFFAOYSA-N
SMILES
S(=O)(=O)(O)C=1C2=C(C(N=NC3=C(O)C4=C(C=C3)C=CC=C4)=C(O)C1)C=CC(N(=O)=O)=C2.[Na]
Canonical SMILES
[Na].O=N(=O)C1=CC=C2C(N=NC=3C=CC=4C=CC=CC4C3O)=C(O)C=C(C2=C1)S(=O)(=O)O
Other Names for this Substance
- 1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1)
- C.I. Mordant Black 11, monosodium salt
- 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-, monosodium salt
- Chromogene Black ET
- C.I. 14645
- Acid Chrome Black A
- Acid Chrome Black ET
- Acid Chrome Black ET extra
- Alizarine Chrome Black PT
- Alizarine Chrome Black PT Supra
- Anthranol Chrome Black T
- Azochromol Black T
- Calcochrome Black T
- Chromazine Black T
- Chrome Black T
Deleted or Replaced CAS Registry Numbers
37371-16-7, 162163-68-0
