The molecule is an organic sodium salt having 2-(4-{(4-amino-3-methylphenyl)[4-(phenylimino)cyclohexa-2,5-dien-1-ylidene]methyl}anilino)benzene-1-sulfonate as the counterion. It is used for staining elastic fibres. It has a role as a histological dye and a fluorochrome. It is an organic sodium salt and an organosulfonate salt. It contains a 2-(4-{(4-amino-3-methylphenyl)[4-(phenylimino)cyclohexa-2,5-dien-1-ylidene]methyl}anilino)benzene-1-sulfonate.
sodium;2-[[4-[(4-amino-3-methylphenyl)-(4-anilinophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]amino]benzenesulfonate