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azo dyes

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azo dyes
a group of synthetic dyes with weak antimicrobial properties. Examples are phenazopyridine and scarlet red.


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They are free from AZO dyes, formaldehyde and APEO; they are also compostable and biodegradable.
Azo dyes were found in only a small number of medicines.
Surprisingly, a number of compounds such as azo dyes, phthalocyanines, and anthroquinones have high specific absorption in the visible waveband due to electronic transitions, but weak specific absorption at [IR.
 
 
 
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