CAS Registry Number®
573-58-0
CAS Name
Congo red
Molecular Formula
C32H24N6O6S2.2Na
Compound Properties
-
Melting Point (1)
>360 °C
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
InChI
InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;
InChIKey
InChIKey=ZADMRLXZHUPGBF-UHFFFAOYSA-N
SMILES
S(=O)(=O)(O)C=1C2=C(C(N)=C(N=NC3=CC=C(C=C3)C4=CC=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(=CC2)C3=CC=C(N=NC=4C=C(C=5C=CC=CC5C4N)S(=O)(=O)O)C=C3)=C(N)C=6C=CC=CC61
Other Names for this Substance
- 1-Naphthalenesulfonic acid, 3,3′-[[1,1′-biphenyl]-4,4′-diylbis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2)
- C.I. Direct Red 28, disodium salt
- 1-Naphthalenesulfonic acid, 3,3′-[[1,1′-biphenyl]-4,4′-diylbis(azo)]bis[4-amino-, disodium salt
- C.I. 22120
- Atlantic Congo Red
- Atul Congo Red
- Azocard Red Congo
- Benzo Congo Red
- Brasilamina Congo 4B
- Congo Red L
- Congo Red N
- Congo Red 4B
- Congo Red CR
- Congo Red H
- Congo Red R
- Congo Red RS
- Congo Red M
- Congo Red W
- Congo Red 4BX
- Cotton Red L
- Cotton Red 4BC
- Diacotton Congo Red
- Direct Red C
- Direct Red K
- Direct Red 28
- Direct Red DC-CF
- Erie Congo 4B
- Cotton Red 5B
- Hispamin Congo 4B
- Kayaku Congo Red
- Mitsui Congo Red
- Peeramine Congo Red
- Sugai Congo Red
- Tertrodirect Red C
- Trisulfon Congo Red
- Vondacel Red CL
- Congo red
- C.I. Direct Red 28
- Congo Red sodium salt
- Congo Red WS
- Haemomedical
- Haemonorm
- Hemorrhagyl
- Solucongo
- Red K (dye)
- Congo Red K
- Direct Congo Red
- Congo Red TS
- Direct Red R
- Congo red disodium salt
- Direct Scarlet 4B
- Congo Red 4BS
- Congo Red
- MeSH ID: D003224
Deleted or Replaced CAS Registry Numbers
550-08-3, 70248-72-5, 87440-95-7, 1000818-40-5
