ジブロモ-16,17-ジメトキシビオラントロン

製造方法

C.I. Vat Green 1 (C.I. 59825)??in the presence of sodium nitrite, bromide, fuming sulfuric acid, and avoid off meth.

安全性プロファイル

An eye irritant. When heated to decomposition it emitsvery toxic fumes of Br^-.

Properties and Applications

brilliant green. Variegated dark green powder. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, there are green fluorescent, slightly soluble in 2 – Chlorophenol, not soluble in Acetone, Etanol, Chloroform, Pyridine and Toluene. In concentrated sulfuric acid to dark purple. Alkaline reduction leuco for blue; Acid reduction leuco for blue light red. Mainly used for cotton dyeing and printing paper and coloring.