Properties:... more properties and specification on 2-[2-(2-Chloro-3-[2-[1,1-dimethyl-7-sulfo-3-(4-sulfobutyl)-1,3-dihydro-benzo[e]indol-2-ylidene]-ethylidene]-cyclohex-1-enyl)-vinyl]-1,1-dimethyl-7-sulfo-3-(4-sulfobutyl)-1H-benzo[e]indolium hydroxide, |