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Tuesday, March 5, 2019

"Yellow Anil Dye"

We are developing relatively stable anils ( imino linkages a.k.a. schiff bases) as potential dyes for use in gouache  paint formulations.  We anticipate color changes as a function of PH.
Below is an intense yellow dye derived from vanillin and p-amino phenol.
We generate no waste in our synthetic approach  to these potential dyes and possibly metal ion coordination may also induce color changes.

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