What colour is a resorufin solution at pH < 6.1?

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Jean Rene Grezes

Dear Prof. Mummenhoff, Dear Klaus,

please read this paper :

Article The Excited‐State Interaction of Resazurin and Resorufin wit...

and you can see the answer.

A lot of infos about resorufin can be read in Musso´s papers too.

I join the full text.

Good luck for your research.

Jean-Rene alias JRG

In this paper, please see the Fig. 6 page 1941 (UV_Vis spectrum in water at various pH conditions). Maximum shows the colour.

Article A spectroscopic investigation of the temperature and solvent...

JRG