从公元初到19世纪中叶,主要利用天然有机物(如动植物的提取液)进行定性或定量分析。自19世纪下半叶至20世纪20年代,开始有了人工合成的有机试剂,例如乙黄原酸钾用于检验镍、铜、钼;桑色素用于检测铝;重氮偶合反应用于检测亚硝酸根;α-亚硝基-β-萘酚用于检测钴;丁二肟用于检验镍等。30年代提出特效基团后,在50年代末又提出了分析功能团理论,人们为了寻找不同离子的特效分析功能团,进行了大量有机试剂筛选工作,合成了许多具有实用价值的试剂(如铜试剂、新铜试剂、镉试剂、铍试剂、钍试剂等)。在50年代以前,络合物主要用于二元螯合物沉淀反应的定性检出、沉淀分离和重量分析。从50至60年代初,以络合滴定法为主,自60年代后期开始重点转向光度分析,并发展了螯合物有机溶剂萃取技术。8-羟基喹啉、腙类、肟类、羟肟酸类、多元酚类、1,10-邻二氮菲类、磷氧类萃取剂、β-二酮类、三苯基甲烷类酸性染料、呫吨类和偶氮染料等各类试剂得到广泛应用。同时,有机试剂的结构理论研究(如电子效应、空间效应、取代基的影响)促进了新型有机试剂的开发,例如杂环偶氮类试剂。这一时期还发展了单偶氮变色酸类和双偶氮变色酸类试剂。70年代中期,吸附剂和螯合树脂得到迅速发展。80年代以来,中国分析化学工作者在不对称双偶氮变色酸类试剂的合成与应用方面也取得了成果。
有机试剂广泛应用于分析化学领域,主要用于溶剂、沉淀剂、络合剂、指示剂、显色剂以及表面活性剂等方面。为了满足不同分析需求,有时需对某种试剂进行纯化处理,液体有机试剂常采用蒸馏法提纯,固体物质则通过结晶或升华方法纯化。具有高蒸气压的有机试剂通常采用常压蒸馏;而对于难挥发和微溶于水的有机试剂,则可使用减压蒸馏或水蒸气蒸馏。
蒸馏法是实验室中常用的有机试剂纯化方法,常见的蒸馏装置包括蒸馏器、冷凝器和接受器三部分,辅助设备还包括加热器、温度计、接液管、软木塞等。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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N,N-二乙基异烟酰胺 | N,N-diethylisonicotinamide | 530-40-5 | C10H14N2O |
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N,N-二乙基尼哌丁酰胺 | N,N-diethylpiperidine-3-carboxamide | 3367-95-1 | C10H20N2O |
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N,N-二乙基对苯二胺 | N,N-Diethyl-p-phenylenediamine | 93-05-0 | C10H16N2 |
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N,N-二乙基丙炔胺丙烷磺酸内盐 | Deps | 70155-90-7 | C10H19NO3S |
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N,N-二乙基三氟甲磺酰胺 | N,N-diethyl-trifluoromethanesulfonamide | 357-39-1 | C5H10F3NO2S |
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N,N-二乙基-邻甲基苯胺 | <i>N</i>,<i>N</i>-diethyl-<i>o</i>-toluidine | 606-46-2 | C11H17N |
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N,N-二乙基-N'-1-萘基乙二胺草酸盐 | N,N-Diethyl-N'-1-naphthylethylenediamine Oxalate | 29473-53-8 | C18H24N2O4 |
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N,N-二乙基-2-甲氧基-N-甲基乙铵四氟硼酸盐 | N,N-Diethyl-2-methoxy-N-methylethan-1-aminium tetrafluoroborate | 464927-72-8 | C8H20BF4NO |
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N,N-二丙基乙酰胺 | N,N-dipropylacetamide | 1116-24-1 | C8H17NO |
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N,N-二丁基甲酰胺 | N,N-dibutylformamide | 761-65-9 | C9H19NO |
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N,N-二丁基-4-己氧基-1-萘脒 | N,N-Dibutyl-4-hexyloxy-<1>naphthamidin | 3748-77-4 | C25H38N2O |
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N,N-二[2-(乙酰氧基)乙基]-乙酰胺 | N,N-bis[2-(acetyloxy)ethyl]acetamide | 5338-18-1 | C10H17NO5 |
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N,N-二-(2-甲氧基乙基)羟胺 | N,N-Bis-2-Methoxyaethyl-hydroxylamin | 5815-11-2 | C6H15NO3 |
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N,N-二(对甲苯基)-9,9-二甲基芴-2-胺 | 9,9-dimethyl-N,N-bis(4-methylbenzene)-9H-fluoren-2-amine | 132571-92-7 | C29H27N |
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N,N-二(4-联苯基)苯胺 | N-([1,1'-biphenyl]-4-yl)-N-phenyl-[1,1'-biphenyl]-4-amine | 122215-84-3 | C30H23N |
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N,N-二(4-联苯基)-4-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)苯胺 | bis(biphenyl-4-yl)[4-(4,4,5,5-tetramethyl-[1,3,2]-dioxaborolan-2-yl)phenyl]amine | 952431-30-0 | C36H34BNO2 |
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N,N-二(4-甲酰苯基)苯胺 | 4,4'-diformyltriphenylamine | 53566-95-3 | C20H15NO2 |
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N,N-二(3-三乙氧基硅丙基)硫 | N, N'-bis<3-(triethoxysilyl)propyl>thiourea | 69952-89-2 | C19H44N2O6SSi2 |
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N,N-二(2-氯乙基)氨基甲酰氯 | N,N-bis-(2-chloroethyl)carbamoyl chloride | 2998-56-3 | C5H8Cl3NO |
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N,N,O-三乙酰基羟胺 | N,N,O-triacetyl hydroxylamine | 17720-63-7 | C6H9NO4 |
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N,N,O-三(三甲基硅基)羟胺 | tris(trimethylsilyl)hydroxylamine | 21023-20-1 | C9H27NOSi3 |
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N,N,N′,N′-四甲基氯甲脒六氟磷酸盐 | Chloro-N,N,N',N'-tetramethylformamidinium hexafluorophosphate | 94790-35-9 | C5H12ClF6N2P |
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N,N,N′,N′-四甲基-1,3-丁二胺 | 1,3-bis(dimethylamino)butane | 97-84-7 | C8H20N2 |
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N,N,N’-三甲基肼二盐酸盐 | 1,1,2-Trimethylhydrazine dihydrochloride | 339539-94-5 | C3H12Cl2N2 |
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N,N,N’,N’-四甲基-L-酒石酰胺 | N,N,N',N'-tetramethyl L-tartramide | 26549-65-5 | C8H16N2O4 |
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N,N,N-三甲基-2-(1-氧代丙氧基)-乙基碘化铵(1:1) | Propionylcholine iodide | 2494-55-5 | C8H18NO2*I |
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N,N,N-三甲基-1-金刚烷基氢氧化铵 | N,N,N-trimethyl-1-adamantylammonium hydroxide | 53075-09-5 | C13H24N*HO |
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N,N,N-三丁基-1-丁铵二[(三氟甲基)磺酰基]亚胺 | tetrabutylammonium bis(trifluoromethylsulfonyl)imide | 210230-40-3 | C2F6NO4S2*C16H36N |
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N,N,N'-三苯基联苯胺 | N,N,N'-triphenylbenzidine | 167218-30-6 | C30H24N2 |
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N,N,N',N'-四甲基联苯胺 | N,N,N',N'-tetramethylbenzidine | 366-29-0 | C16H20N2 |
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N,N,N',N'-四甲基对苯二胺 | N,N,N' ,N'-tetramethyl-p-phenylenediamine | 100-22-1 | C10H16N2 |
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N,N,N',N'-四乙基-1,3-丙二胺 | N,N',N,N'-tetraethyl-1,3-propanediamine | 60558-96-5 | C11H26N2 |
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N,N,N',N'-四(4-甲苯基)联苯胺 | N,N,N',N'-tetraphenyl-4,4'-diaminobiphenyl | 76185-65-4 | C40H36N2 |
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N,N,N',N' - 四甲基-1,4-丁二胺 | N,N,N',N'-tetramethyl-1,4-butanediamine | 111-51-3 | C8H20N2 |
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N,N,4-三甲基哌嗪-1-乙胺 | 1-(2-dimethylaminoethyl)-4-methylpiperazine | 104-19-8 | C9H21N3 |
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N,N'-间苯撑双马来酰亚胺 | N,N'-(1,3-phenylene)dimaleimide | 3006-93-7 | C14H8N2O4 |
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N,N'-羰基二(1,2,4-三氮唑) | 1,1'-Carbonyl-di-(1,2,4-triazole) | 41864-22-6 | C5H4N6O |
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N,N'-双[4-(二苯基氨基)苯基]-N,N'-二-1-萘基-联苯-4,4'-二胺 | N1,N1'-([1,1'-bibenzene]-4,4'-diyl)bis(N1-(naphthalen-1-yl)-N4,N4-diphenylbenzene-1,4-diamine) | 910058-11-6 | C68H50N4 |
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N,N'-双(苄氧羰基)-1H-吡唑-1-甲脒 | N,N-bis(benzyloxycarbonyl)-1H-pyrazole-1-carboxamidine | 152120-55-3 | C20H18N4O4 |
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N,N'-双(9,9-二甲基-9H-芴-2-基)-N,N'-二苯基联苯胺 | N,N'-diphenyl-N,N'-bis(9,9-dimethylfluoren-2-yl)benzidine | 361486-60-4 | C54H44N2 |
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N,N'-八亚甲基双二氯乙酰胺 | WIN 18,446 | 1477-57-2 | C12H20Cl4N2O2 |
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N,N'-二邻甲苯基硫脲 | N,N'-di(o-tolyl)thiourea | 137-97-3 | C15H16N2S |
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N,N'-二苯甲脒 | N,N'-diphenylformamidine | 622-15-1 | C13H12N2 |
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N,N'-二苯基磷酰氯二胺 | N,N'-diphenylphosphorodiamidic chloride | 5625-99-0 | C12H12ClN2OP |
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N,N'-二苯基硫脲 | N,N-diphenylthiourea | 102-08-9 | C13H12N2S |
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N,N'-二苯基-1,4-苯二胺 | N,N'-diphenyl-1,4-phenylenediamine | 74-31-7 | C18H16N2 |
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N,N'-二苄基硫脲 | dibenzyl thiourea | 1424-14-2 | C15H16N2S |
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N,N'-二苄基-4,13-二氮杂-18-冠6-醚 | N,N'-dibenzyl-4,13-diaza-18-crown-6 | 69703-25-9 | C26H38N2O4 |
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N,N'-二甲氧基-N,N'-二甲基乙二酰二胺 | N,N'-Dimethoxy-N,N'-dimethylethanediamide | 106675-70-1 | C6H12N2O4 |
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N,N'-二甲基硫脲 | N,N-dimethylthiourea | 534-13-4 | C3H8N2S |
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