- 英文名称
- indigoidine
- 分子式
- C10H8N4O4
- 分子量
- 248.19
- 中文别名
- 观蓝; 谷蓝; (5E)-3-氨基-5-(5-氨基-2,6-二氧代吡啶-3-亚基)吡啶-2,6-二酮; 5,5'-二氨基-1H,1'H-[3,3'-联吡啶亚基]-2,2',6,6'-四酮; 5,5'-二氨基-2H,2'H-[3,3'-联吡啶亚基]-2,2',6,6'(1H,1'H)-四酮; 5,5'-Diamino-Δ3,3'(2H,2'H)-bipyridine-2,2',6,6'(1H,1'H)-tetraone; 5-Amino-3-(5-amino-1,2,3,6-tetrahydro-2,6-dioxopyridin-3-ylidene)-2,6(1H,3H)-pyridinedione; Indigoidin; 2,6(1H,3H)-Pyridinedione, 5-amino-3-(5-amino-1,6-dihydro-2,6-dioxo-3(2H)-pyridinylidene)-; Veretexyn Blue; 5,5'-Diamino-1H,1'H-[3,3'-bipyridinylidene]-2,2',6,6'-tetraone; 5,5'-Diamino-2H,2'H-[3,3'-bipyridinylidene]-2,2',6,6'(1H,1'H)-tetraone; (5E)-3-amino-5-(5-amino-2,6-dioxopyridin-3-ylidene)pyridine-2,6-dione; 5,5'-diamino-[3,3']bipyridinylidene-2,6,2',6'-tetraone; 5,5'-diamino-6,6'-dihydroxy-3,3'-bipyridylidene-2,2'-quinone
- 用途
- 靛蓝主要用于染棉布或棉纱,农村染坊用发酵法染土布,牛仔裤经纱常用靛蓝染色,也可染羊毛和丝绸,在地毯和手工艺品中应用;还用于制食品染料和有机颜料,如靛胭脂和溴靛蓝。