ADS640PP is 2-[5-(1,3-Dihydro-3,3-dimethyl-1-propyl-2H-indol-2-ylidene)-1,3-pentadienyl]-3,3-dimethyl-1-propyl-3H-indolium perchlorate.

The chemical formula for ADS640PP is C31 H39 Cl N2 O4.

  • Appearance: Dark Green Powder
  • Molecular weight: 554.75 g mol-1
  • Melting Point: > 250oC (Decomp.)
  • Absorption maximum: 635 – 640 nm (in MeOH)
  • Absorption coefficient: 2.0 x 105 L mol-1 cm-1
  • Recommended Solvents: Methanol