direct red 81


direct red 81; disodium 7-benzamido-4-hydroxy-3-[(E)-2-{4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl]naphthalene-2-sulfonate
CAS RN:[2610-11-9]
Formula:C29H19N5Na2O8S2; 675.61 g/mol
InChiKey:OTPBDPKSNGORHR-ATQPHANLSA-L
SMILES:[Na+].[Na+].[O-][S](=O)(=O)c1ccc(cc1)N=Nc2ccc(NN=C3C(=O)c4ccc(NC(=O)c5ccccc5)cc4C=C3[S]([O-])(=O)=O)cc2
Molecular structure of direct red 81
Melting point:240 °C