Fluoran is a triarylmethane dye. It is the structural core of a variety of other dyes.[1]

These dyes have a variety of applications such as chemical stains (for example eosins) and in thermal paper. Black 305 is a common leuco dye product for thermal paper.[2]

The chemical structure of eosin, a fluoran-based dye

References

  1. ^ Hatano, Y. "The chemistry of fluoran leuco dyes" in Chemistry and Applications of Leuco Dyes, Ed. R. Muthyala, Plenum Press 1997
  2. ^ "BLACK 305". Nagase America. Nagase America Corporation. Retrieved 24 August 2019.


Allikas: Https://en.wikipedia.org/wiki/Fluoran
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