ADS545MG is a hydrochromic dye. It is light yellow when dissolved in dry solvent, adding water brings out the red color. It can be switched back to light yellow by removing water. Inquire for additional information and pricing.

Possible uses: “Invisible” ink, reusable paper, security, water sensor


ADS545MG is a hydrochromic dye.

  • Appearance: Red powder
  • Molecular Weight:
  • Melting point: >150oC (Decomp.)
  • λAbs (Maximum absorption): 545 nm (in Methanol)
  • Photo Luminescence:
  • Absorption coefficient:
  • Recommended Solvents: THF, Dioxane, Methanol

We are doing an inventory clearance sale. Prices of most NIR dyes and some OLED materials will be going down substantially over the next few days, while stocks last. Contact us for bulk quotes. Dismiss