4-氨基-5-羟基-3-((4'-((4-羟基苯基)二氮烯基)-[1,1'-联苯]-4-基)二氮烯基)-6-(苯基二氮烯基)萘-2,7-二磺酸钠盐; 直接绿BE; Erie Green WAC; Erie Green WT; Amanil Green LT; Direct Dark Green; Direct Dark Green B; Direct Green WAC; Fenamin Green M; Pontamine Green S; C.I. Direct green 1; Dark Green EMBL; disodium 4-amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]-6-(phenylazo)naphthalene-2,7-disulphonate; DirectdarkgreenP; Direct green 1 (C.I. 30280); Diamine Dark Green B; Direct Black Green N
弱酸性棕R; 弱酸性棕14; 酸性深棕R; 酸性棕P-RB; Acid brown 2 (C.I. 17605); Fast Brown R; C.I.Acid Brown 14; 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino), monosodium salt; Acid Fast Brown R.; C.I.Acid Brown 2; Weak Acid Brown R; 2-Naphthalenesulfonic acid, 3,4-dihydro-3-[2-(2-methoxy-5-nitrophenyl)hydrazinylidene]-4-oxo-6-(phenylamino)-, sodium salt, (3Z)- (1:1); Sodium (3Z)-6-anilino-3-[(2-methoxy-5-nitrophenyl)hydrazono]-4-oxo-3,4-dihydro-2-naphthalenesulfonate
用途
- 化学性质
黑棕色粉末。微溶于水，水溶液呈蓝光红色。加入盐酸产生深棕色沉淀；加入氢氧化钠产生深红棕色沉淀。可溶于乙醇，呈红光棕色，不溶于其他有机溶剂。于浓硫酸中呈红光紫色，稀释后呈橄榄棕色；于浓硝酸中呈棕色，很快转变为黄光棕色。
- 酸性棕 K 用于羊毛织物和丝绸的染色和印花。
- 用于羊毛织物和锦纶织物的染色
