Direct Blue 76 (Technical Grade)

1,3-Naphthalenedisulfonic acid, 6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxy-, Copper Complex; Benzanil Supra Blue 2GN; C.I. 24411; C.I. Direct Blue 76; Chlorantine Fast; Blue 7GL; Chlorantine Fast Blue 7GLL; Direct Blue 76; Durazol Blue 2GN; Durazol Blue 2GNP; Lumicrease Blue 4GL; Lumicrease Sky Blue 4GL; Lumicrease Sky Blue; 6GUL; Pontamine Fast Blue 6GL; Pyrazol Fast Blue 4GUL; Sirius Blue F4GA;

[Na+].O=S(=O)([O-])C=1C=C(C=2C=CC3=C([O-][Cu+2]4[O-]C=5C=C(C=CC5N=[N]34)C6=CC=C7N=[N]8C=9C=CC%10=C(C9[O-][Cu+2]8[O-]C7=C6)C(N)=C(C=C%10S(=O)(=O)[O-])S(=O)(=O)[O-])C2C1N)S(=O)(=O)[O-]

InChi=1S/C32H24N6O16S4.2Cu.4Na/c33-29-25(57(49,50)51)11-23(55(43,44)45)15-3-7-19(31(41)27(15)29)37-35-17-5-1-13(9-21(17)39)14-2-6-18(22(40)10-14)36-38-20-8-4-16-24(56(46,47)48)12-26(58(52,53)54)30(34)28(16)32(20)42;;;;;;/h1-12,39-42H,33-34H2,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;;;/q;2*+2;4*+1/p-8

IUPAC name: 1,3-Naphthalenedisulfonic acid, 6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxy-, Copper Complex; Benzanil Supra Blue 2GN; C.I. 24411; C.I. Direct Blue 76; Chlorantine Fast; Blue 7GL; Chlorantine Fast Blue 7GLL; Direct Blue 76; Durazol Blue 2GN; Durazol Blue 2GNP; Lumicrease Blue 4GL; Lumicrease Sky Blue 4GL; Lumicrease Sky Blue; 6GUL; Pontamine Fast Blue 6GL; Pyrazol Fast Blue 4GUL; Sirius Blue F4GA;