Hazard Information | Back Directory | [Preparation]
mixed Xylidyl?diazo, and (6-Hydroxynaphthalene-2-sulfonic acid + 3-Hydroxynaphthalene-2,7-disulfonic acid) coupled. | [Properties and Applications]
red. Colourful red uniform powder insoluble in water was red, and, to some extent, soluble in ethanol orange, insoluble in other organic solvents. A product of sulfuric acid in red, orange is diluted. Its water solution and strong hydrochloric acid is red orange; Add thick sodium hydroxide solution is orange brown. |
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