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
酸性橙51; Acid Orang 51; Acid Red Brown 5K; Baygenal Red Brown LNZR; Nylomine Acid Brown C-R; Telon Fast Copper Red RL; C.I. Acid Orange 51; Acid Orange 51 (C.I.); disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-(4-(4-nitro-2-sulphophenylamino)phenylazo)naphthalene-2-sulphonate; Benzenesulfonic acid, 5(or 8)-(2-(3-methyl-4-(((4-methylphenyl)sulfonyl)oxy)phenyl)diazenyl)-8(or 5)-(2-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)-, sodium salt (1:2)
藏猩红; 酸性红71; CI 27165; ACID RED 71; ACID ORANGE 12; 1-Naphthalenesulfonic acid, 7-hydroxy-8-2-methyl-4-(2-methyl-4-sulfophenyl)azophenylazo-, disodium salt
