Sudan III (Sudan Red III) |
| Catalog No.GC30549 |
Sudan III (Sudan Red III) is a hydrophobic bisazo dye.
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 85-86-9
Sample solution is provided at 25 µL, 10mM.
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Sudan III is a hydrophobic bisazo dye[1].
Sudan III changes its color from orange to blue against a small volume of sulfuric acid, and the acetonitrile solution of Sudan III is the most suitable for observing the color-change phenomenon. H-NMR and UV-Vis spectroscopic studies show that the color-change mechanism of Sudan III against sulfuric acid is due to the protonation of the dye by sulfuric acid[1].
[1]. Sakurai T, et al. Color Change of Sudan III against Concentrated Sulfuric Acid in Acetonitrile and Quantification for a Small Amount of Concentrated Sulfuric Acid. Anal Sci. 2016;32(2):129-33.
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