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CAS号: 83221-42-5 英文名称: sodium 5-ethoxy-2-[[4-(phenylazo)phenyl]azo]benzenesulphonate 英文同义词: Einecs 280-220-3;C.I. Acid yellow 197;sodium 5-ethoxy-2-[[4-(phenylazo)phenyl]azo]benzenesulphonate;5-Ethoxy-2-[[4-(phenylazo)phenyl]azo]benzenesulfonic acid sodium salt 中文名称: C.I.酸性黄197 中文同义词: C.I.酸性黄197 分子式: C20H17N4NaO4S 分子量: 432.42815