CAS Registry Number®
992-59-6
CAS Name
Direct Red 2
Molecular Formula
C34H28N6O6S2.2Na
Other Names and Identifiers
InChI
InChI=1S/C34H28N6O6S2.2Na/c1-19-15-21(11-13-27(19)37-39-29-17-31(47(41,42)43)23-7-3-5-9-25(23)33(29)35)22-12-14-28(20(2)16-22)38-40-30-18-32(48(44,45)46)24-8-4-6-10-26(24)34(30)36;;/h3-18H,35-36H2,1-2H3,(H,41,42,43)(H,44,45,46);;
InChIKey
InChIKey=YOPDKQWCDBTFII-UHFFFAOYSA-N
SMILES
S(=O)(=O)(O)C=1C2=C(C(N)=C(N=NC3=C(C)C=C(C=C3)C4=CC(C)=C(N=NC5=C(N)C6=C(C(S(=O)(=O)O)=C5)C=CC=C6)C=C4)C1)C=CC=C2.[Na]
Canonical SMILES
[Na].O=S(=O)(O)C1=CC(N=NC=2C=CC(=CC2C)C3=CC=C(N=NC=4C=C(C=5C=CC=CC5C4N)S(=O)(=O)O)C(=C3)C)=C(N)C=6C=CC=CC61
Other Names for this Substance
- 1-Naphthalenesulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2)
- C.I. Direct Red 2, disodium salt
- 1-Naphthalenesulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[4-amino-, disodium salt
- C.I. Direct Red 2
- C.I. 23500
- Amanil Purpurine 4B
- Atul Direct Red 4B
- Azamin 4B
- Azocard Red 4B
- Bencidal Purple 4B
- Benzanil Purpurine 4B
- Benzopurpurine 4B
- Benzopurpurin 4B
- Benzopurpurine 4BKX
- Benzopurpurine 4BX
- Brasilamina Red 4B
- Calcomine Red 4BX
- Chrome Leather Red 4B
- Cotton Red 4B
- Diacotton Benzopurpurine 4B
Deleted or Replaced CAS Registry Numbers
70248-71-4, 179472-45-8, 1079993-65-9, 1082260-20-5
