Near Infrared Absorption Dyes → ADS785WS (Product Specifications)


ADS785WS is 2-[7-(1,3-Dihydro-3,3-dimethy-1-(4-sulfobutyl)l-2H-benz[e]indol-2-ylidene)-1,3,5-heptatrienyl]-3,3-dimethyl-1-(4-sulfobutyl)-1H-benz[e]indolium innersalt, monosodium. The chemical formula for ADS785WS is C43 H47 N2 O6 S2 Na.

Molecular Structure and Technical Data

Appearance: Dark Green Powder

Molecular weight: 774.98 g mol-1

Melting Point: >170oC (Decomp.)

Absorption maximum:

   780 - 785 nm (in MeOH)

Absorption coefficient:

   1.5 x 105 L mol-1 cm-1


• Recommended Solvents
   Water, Methanol

Need More Information?

If you have any pricing or technical questions regarding our products, you can contact us by using the contact page or you can send us an e-mail at

Disclaimer: The information in this bulletin is believed to be accurate, but all recommendations are made without warranty since the conditions of use are beyond the control of American Dye Source, Inc. The listed properties are illustrative only, and not product specifications. American Dye Source, Inc. disclaims any liability in connection with the use of the information, and does not warrant against infringement by reason of the use of its products in combination with other material or in any process.