SMILES: CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]
Description: The molecule is an organic chloride salt having 6-(dimethylamino)-N,N-dimethyl-3H-xanthen-3-iminium as the cation. Used with methyl green to selectively demonstrate RNA (red) in contrast to DNA (green) with the Unna-Pappenheim method. It has a role as a histological dye. It is an iminium salt and an organic chloride salt. It contains a pyronin Y cation.