I am interested in the dyes which are really of greater importance in the environment, may it be waste water or soil pollutants. Also provide some of the important non-color compounds used for the above purpose.
Hm... almost every piece of dye is toxic:)
All azo-dyes (N-N double bond), for example: methyl orange, ethyl orange etc.
http://en.wikipedia.org/wiki/Methyl_orange
Common dyes used in photocatalytic experiments are: Rhodamine B and Methylene Blue (cationic) and Acid Orange 7 (anionic). For non-color compounds, chlorophenols, dichloroacetic acid, nitrobenzene, aniline and formic acid are commonly used.
Dear Alok,
can you please provide a few more anionic dyes which are important in photocatalysis?
Other examples of anionic dyes are: Acid Yellow 23, Direct Yellow 9, Alizarin S, Acid Red 14, Acid Red 18, Reactive Red 45, Reactive Blue 5, Eriochrome Black T and Eosin Y.
It's good to take a look at this link
http://nptel.ac.in/courses/116104046/3.pdf
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