Sudan Yellow 3G
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Sudan Yellow 3G, also known as Solvent Yellow 16, C.I. disperse yellow and C.I. 12700, is a yellow azo dye. Chemically it is 4-phenylazo-1-phenyl-3-methyl-5-pyrazolone or 2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)3-H-pyrazol-3-on. It is soluble in fats and oils.
Sudan Yellow 3G is used as a pigment in cosmetics and printer toners, and as a dye in inks, including inks for inkjet printers. In pyrotechnics, it is used in some yellow colored smokes.
Its CAS number is [] and its SMILES structure is O=C1C(/N=N/c3ccccc3) C(C)=NN1c2ccccc2.
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