6-Aminonaphthalene-1-sulfonic acid diazo, with Diphenylamine coupling, then use the sodium nitrate processing, generation N-and the nitro derivatives, and then to nitration (also used?a mixture of 6-Aminonaphthalene-1-sulfonic acid?and 8-Aminonaphthalene-1-sulfonic acid in place of 6-Aminonaphthalene-1-sulfonic acid).
Properties and Applications
red light yellow. Used for wool, silk, vinegar fiber dyeing. Tannin mordant dyeing can improve the wet process fastness.
