Vat Brown 23 Usage And Synthesis

Preparation

2-Aminoanthracene-9,10-dione with sulfuric acid and copper powder processing.

Properties and Applications

dark brown. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, Xylene. In concentrated sulfuric acid to dark brown, dilution after dark brown precipitation; In the basic insurance powder solution for grey; In the acidic insurance powder solution for dark purple.

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