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
坚牢红E; 4-[(2-羟基-6-磺酸萘基)偶氮]萘磺酸二钠盐; 坚牢红; 4-((2-羟基-6-磺化萘-1-基)偶氮基)萘-1-磺酸钠; Tertracid Red E; C.I.Acid Red 13; Neklacid Red E; Acidol Red E; Red E for food; Cilefa Red E; Acidal Red E; HD Fast Red E; Dalf Fast Red; Acilan Red E; c.i.16045; c.i.acidred13; c.i.acidred13,disodiumsalt; c.i.foodred4; certicolfastrede; cherryredageigy; crispinfastrede; disodium,(5Z)-6-oxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2-sulfonate; Sodium 4-((2-hydroxy-6-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate
酸性红BG; C.I.酸性红37; 5-[[4-(乙酰氨基)-2-磺苯基]-偶氮]-6-氨基-4-羟基-2-萘磺酸二钠盐; Acid red BG; Acid Red 37 (C.I.); C.I. Acid Red 37; Red BL; Acid Fast Red B; Acid Fast Red EBL; Acid Light Red 2BL; Dycosacid Red BG; Lerni Acid Red BG; Albion Acid Red BG