| 11. | Many lake pigments are azo dyes.
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| 12. | Because this azo dyes are cheap, Sudan dyes are likeable for food coloring as well.
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| 13. | Orthanilic acid is a structural component of some azo dyes which consequently have poor bacterial degradation.
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| 14. | With suitable adjustment of dyebath conditions the two components react to produce the required insoluble azo dye.
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| 15. | However, Allura Red AC is banned in many European countries because it is an azo dye.
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| 16. | Azo dyes derived from benzidine are carcinogens; exposure to them has classically been associated with bladder cancer.
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| 17. | The compound is produced as an intermediate to the pesticide chlordimeform and a precursor to some azo dyes.
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| 18. | It is used in the synthesis of azo dyes such as Rocceline ( a . k . a.
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| 19. | The first major class of antibiotics was the sulfa drugs, derived by German chemists originally from azo dyes.
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| 20. | Most brands of CD-R use this dye except Taiyo Yuden ( now azo dyes, respectively ).
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