ADS780WS is 2-[2-[2-Chloro-3-[2-(1,3-dihydro-3,3-dimethyl-1-(4-sulfobutyl)-2H-indol-2-ylidene)-ethylidene]-1-cyclohexen-1-yl]-ethenyl]-3,3-dimethyl-1-(4-sulfobutyl)-1H-indolium, inner salt, monosodium.

The chemical formula for ADS780WS is C38 H46 Cl N2 O6 S2 Na.

  • Appearance: Green Crystals
  • Molecular weight: 749.36 g mol-1
  • Melting Point: >230oC (Decomp.)
  • Absorption maximum: 780 – 785 nm (in MeOH)
  • Photoluminescence:
  • Absorption coefficient: 1.7 x 105 L mol-1 cm-1
  • Recommended Solvents: Water, Methanol