SMILES: C1=CC(=CC=C1[C+](C2=CC=C(C=C2)NC3=CC=C(C=C3)S(=O)(=O)[O-])C4=CC=C(C=C4)NC5=CC=C(C=C5)S(=O)(=O)[O-])NC6=CC=C(C=C6)S(=O)(=O)[O-].[Na+].[Na+]
Description: The molecule is an organic sodium salt that is the trisodium salt of 4,4'-{({4-[(4-sulfophenyl)imino]cyclohexa-2,5-dien-1-ylidene}methylene)bis[(4,1-phenylene)azanediyl]}di(benzene-1-sulfonic acid). A histological dye that can be used either on its own or part of a mixture (aniline blue WS) for staining collagen in Masson's trichrome and Mallory's method for connective tissue. It has a role as a histological dye and a fluorochrome. It contains a methyl blue(2-).