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Pigment green TDD-73
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White Waterproof Anti Scratch PVC Foam Sheet
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Ti02 ( Titanium Dioxide) Pigment
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Easily dispersed charcoal black powder
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XH-3G-2 Cornstarch 3 compartment rectangle food container
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400 mesh sericite powder with good weather resistance for industrial coatings
Q
do substituents on an azo dye affect is color
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Yes, substituents on an azo dye significantly affect its color. Azo dyes contain a functional group called an azo group (-N=N-), which is responsible for the dye's chromophore - the part of the molecule responsible for its color. The introduction of different substituents (groups attached to the main molecule) can alter the electron distribution within the molecule, affecting the wavelength of light absorbed, and thus the color seen. Electron-donating groups, such as -OH or -NH2, tend to shift the absorption towards longer wavelengths (redder colors), while electron-withdrawing groups, such as -NO2 or -CN, shift it towards shorter wavelengths (bluer colors). This principle is applied in dye chemistry to synthesize azo dyes of a desired color for use in textiles, inks, and plastics.
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