CAS No: 573-58-0, Chemical Name: Congo Red
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573-58-0 Congo Red

product Name Congo Red
Synonyms C.I. 22120; C.I. Direct Red 28; C.I. Direct Red 28, disodium salt; C.I. Direct Red 28, disodium salt (8CI); Congo red; Direct Red 28; Congo red (0.1% in water)[for titration]; Congo red (0.1% in water); Direct Scarlet 4B; disodium 3,3'-[biphenyl-4,4'-diyldi(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate); disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonate; Direct Red 28
Molecular Formula C32H22N6Na2O6S2
Molecular Weight 696.6632
InChI InChI=1/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/b37-35-,38-36-;;
CAS Registry Number 573-58-0
EINECS 209-358-4
Molecular Structure 573-58-0 Congo Red
Melting point 360℃
Water solubility soluble
Hazard Symbols  T:Toxic;
Risk Codes R45:;
R63:;
Safety Description S45:;
S53:;
MSDS Congo Red Material Safety Data Sheet