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Congo Red

CAT: 0013-GTR19341750-01Size: 1 ml x 10 mM (in DMSO)Dry Ice: NoHazardous: No
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CAT#:0013-GTR19341750-01Size:1 ml x 10 mM (in DMSO)
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Congo Red
CAS Number
573-58-0
Product Name Alternative
Direct Red 28, Congo Red, inhibit, Inhibitor
Purity
96.97% (May vary between batches)
Solubility
DMSO:105 mg/mL (150.72 mM) ; H2O:4.16 mg/mL (5.97 mM) ;10% DMSO+40% PEG300+5% Tween-80+45% Saline:3.3 mg/mL (4.74 mM)
Molecular Weight
696.66
Storage Conditions
-20°C
Notes
For research use only.

Chemical Information

Congo red

Congo Red is an indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. It contains a 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate). It is functionally related to a 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonic acid).

CAS Number573-58-0
PubChem CID11313
IUPAC Namedisodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
Molecular FormulaC32H22N6Na2O6S2
Molecular Weight696.7
Topological Polar Surface Area233
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count12
Rotatable Bond Count5
Heavy Atom Count48
Formal Charge0
Complexity1180
SMILES
C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
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);;/q;2*+1/p-2
InChIKey
IQFVPQOLBLOTPF-UHFFFAOYSA-L
Chemical Structure
2D Structure
2D structure of Congo red
CAS: 573-58-0
CID: 11313
Formula: C32H22N6Na2O6S2
MW: 696.7
Interactive 3D Structure
Loading 3D structure...
View on PubChemRaw 3D data
Computed Properties
PropertyValue
Molecular Weight696.7
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count12
Rotatable Bond Count5
Exact Mass696.08376335
Monoisotopic Mass696.08376335
Topological Polar Surface Area233 Ų
Heavy Atom Count48
Formal Charge0
Complexity1180
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count3
Compound Is CanonicalizedYes

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