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463 磺胺 [剧]SULFANILAMIDUM[别名]氨苯磺醯胺;磺酼胺;Sulphonamide;(?)Aminobenzenesulfonamide。1)本品鉴别之(2):取本品约0.1g,加稀盐酸5ml,缓缓煮沸,五分钟后,置冰水中,放冷,加亚硝酸钠溶液(1∶100)4ml,用蒸溜水稀释,使成10ml,再置冰水中,十分钟后,取出5ml,加β-萘酚的碱性溶波(取β-萘酚50mg,加10%的氢氧化纳溶液2ml,溶解,制成)2ml,即发生橙色的沉淀。说明——本品的反应如下式所示:
463 Sulfonamide [drama] SULFANILAMIDUM [alias] Ammobenzene sulfonamide; Sulfonamide; Sulphonamide; (?) Aminobenzenesulfonamide. 1) identification of the goods (2): take this product about 0.1g, add dilute hydrochloric acid 5ml, slowly boil, five minutes later, set the ice water, let cool, add sodium nitrite solution Distilled water dilution, make into 10ml, and then placed in ice water, ten minutes later, remove 5ml, add β-naphthol alkaline solution (β-naphthol 50mg, plus 10% sodium hydroxide solution 2ml, Made) 2ml, which occurred in orange precipitation. Description - The reaction of the product as shown below: