CAS: 573-58-0 - Congo red

Formula: C₃₂H₂₄N₆O₆S₂·2Na

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);;

InChI key: InChIKey=ZADMRLXZHUPGBF-UHFFFAOYSA-N

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

Synonyms:

• 1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-amino-, disodium salt
• 1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2)
• 3,3'-[(1,1'-Biphenyl)-4',4'-diyl)bis(azo)]bis[4-amino-1-naphthalenesulfonic acid, disodium salt
• 3,3'-[[1,1'-Bifenil]-4,4'-Diilbis(Azo)]Bis(4-Aminonaftaleno-1-Sulfonato) De Disodio
• 3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphtalene-1-sulfonate) de disodium
• Atlantic Congo Red
• Atul Congo Red
• Azocard Red Congo
• Benzo Congo Red
• Brasilamina Congo 4B
• Congo Red 4B
• Congo Red 4BS
• Congo Red 4BX
• Congo Red CR
• Congo Red H
• Congo Red K
• Congo Red L
• Congo Red M
• Congo Red N
• Congo Red R
• Congo Red RS
• Congo Red Stain
• Congo Red TS
• Congo Red W
• Congo Red WS
• Congo Red sodium salt
• Congo red (0.1% in water)
• Congo red (0.1% in water)[for titration]
• Congo red disodium salt
• Cotton Red 4BC
• Cotton Red 5B
• Cotton Red L
• Diacotton Congo Red
• Dinatrium-3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalin-1-sulfonat)
• Direct Congo Red
• Direct Red 28
• Direct Red C
• Direct Red DC-CF
• Direct Red K
• Direct Red R
• Direct Scarlet 4B
• Disodium 3,3'-[[1,1'-Biphenyl]-4,4'-Diylbis(Azo)]Bis(4-Aminonaphthalene-1-Sulphonate)
• Disodium 4-Amino-3-[4-[4-[(1-Amino-4-Sulfonato-2-Naphthyl)Azo]Phenyl]Phenyl]Azo-Naphthalene-1-Sulfonate
• Erie Congo 4B
• Haemomedical
• Haemonorm
• Hemorrhagyl
• Hispamin Congo 4B
• Kayaku Congo Red
• Kongorot
• Mitsui Congo Red
• Peeramine Congo Red
• Red K
• Red K (dye)
• Sodium Diphenyl-Bis-{Naphthylamine) Sulfonate}
• Solucongo
• Sugai Congo Red
• Tertrodirect Red C
• Trisulfon Congo Red
• Vondacel Red CL
• disodium 3,3'-[biphenyl-4,4'-diyldi(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate)
• C.I. Direct Red 28, disodium salt
• C.I. Direct Red 28
• C.I. Direct Red 28, disodium salt
• Congo red
• C.I. Direct Red 28, disodium salt (8CI)
• C.I. 22120

Congo Red

CAS: 573-58-0

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Purity: >98.0%(HPLC)
• Color and Shape: Dark red to Brown powder to crystal
• Molecular weight: 696.66

Congo Red, indicator grade

CAS: 573-58-0

Congo red is useful for staining and visual detection of amyloid deposits. It inhibits the …

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Color and Shape: Powder, Red to red-brown
• Molecular weight: 696.66

Congo Red, Indicator grade

CAS: 573-58-0

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Color and Shape: Dark red to red-brown, Powder
• Molecular weight: 696.66

1-Naphthalenesulfonic acid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-amino-, disodium salt

CAS: 573-58-0

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Color and Shape: Solid
• Molecular weight: 696.6632

Congo Red

CAS: 573-58-0

Congo Red (Direct Red 28) is an azo dye. It binding been used as a …

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Purity: 98.1%
• Color and Shape: Brownish-Red Powder; In Water Yellowish-Red & In Ethanol Orange Brown-Red Powder
• Molecular weight: 696.66

Congo Red (C.I. 22120)

CAS: 573-58-0

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Purity: ≥ 70.0%
• Color and Shape: Red powder
• Molecular weight: 696.67

Congo Red (C.I. 22120); 97%

CAS: 573-58-0

• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Purity: ≥ 97.0%
• Color and Shape: Red powder
• Molecular weight: 696.67

Direct Red 28

CAS: 573-58-0

• Formula: C₃₂H₂₂N₆O₆S₂Na
• Color and Shape: Neat
• Molecular weight: 696.66

Congo Red

CAS: 573-58-0

• Molecular weight: 696.66g/mol

Congo Red (90%)

CAS: 573-58-0

Applications Congo Red is a secondary diazo dye that is used to stain β sheet …

• Formula: C₃₂H₂₂N₆O₆S₂Na
• Purity: 90%
• Color and Shape: Red Brown
• Molecular weight: 696.66

Direct Red 28

CAS: 573-58-0

Direct Red 28 is a dye that can be used in wastewater treatment. It can …

• Formula: C₃₂H₂₄N₆O₆S₂·2Na
• Purity: Min. 95%
• Color and Shape: Red Powder
• Molecular weight: 698.68 g/mol

Congo Red ACS, 75%

CAS: 573-58-0

• Formula: C₃₂H₂₂N₆O₆S₂Na₂
• Color and Shape: Brownish red, Powder, Clear
• Molecular weight: 696.66