Acid Yellow 23 CAS. 1934-21-0 Molecular Formula C16-H12-N4-O9-S2â € ¢ 3Na Appearance: redddish-violet powder Strength e 200.0 % Water d 5.0 % Insolubility d 1.0 %
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Acid Blue 9 CAS. 2650-18-2 Molecular Formula C37-H36-N2-O9-S3â € ¢ 2H3-N Appearance: redddish-violet powder Strength e 200.0% Water d 5.0 % Insolubility d 1.0%