添加剂是指在生产过程中为了改善产品性能、提高效率或者实现特定功能而加入的辅助物质。它们广泛应用于有机化学、化学化工和生物医药等领域。
1. 有机化学中的添加剂催化剂:在合成反应中,催化剂能够加速化学反应并降低活化能,但不被消耗或仅少量参与最终产物。例如,铂是一种有效的氢气还原催化剂。
溶剂:用于溶解底物和试剂以促进化学反应的进行。水、乙醇等都是常用的溶剂。
稳定剂:防止聚合物老化或降解的物质,如抗氧化剂可以保护塑料制品不受热氧的影响。
表面活性剂:用于改善液体的润湿性,减少界面张力。肥皂和洗涤剂就是常用的表面活性剂。
营养补充剂:在细胞培养基中加入特定维生素、氨基酸等成分以支持细胞生长。
药物载体与辅料:将药物包裹或分散于适当材料中,提高药物的稳定性和生物利用度。微囊化技术是一种常用的药物递送方法。
添加剂的选择需考虑其化学性质及其在特定应用环境下的表现。正确合理地选择与使用添加剂对于确保产品的质量和安全性至关重要。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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2-羟基-4-甲氧基苯碳酰肼 | 2-hydroxy-4-methoxybenzohydrazide | 41697-08-9 | C8H10N2O3 |
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2-羟乙基甲基对苯二甲酸酯 | 2-hydroxyethyl methyl terephthalate | 3645-00-9 | C11H12O5 |
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2-磺酰氯-3-甲基噻吩 | 3-methyl-2-thiophenylsulfonyl chloride | 61714-76-9 | C5H5ClO2S2 |
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2-硝基-5-苯巯基苯胺 | 2-nitro-5-phenylthioaniline | 43156-47-4 | C12H10N2O2S |
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2-硝基-3-(三氟甲基)苯酚 | 2-nitro-3-(trifluoromethyl)phenol | 386-72-1 | C7H4F3NO3 |
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2-甲基戊基醋酸酯 | 2-methylpentyl acetate | 7789-99-3 | C8H16O2 |
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2-甲基吡咯-3-甲酸乙酯 | 2-methyl-1H-pyrrole-3-carboxylic acid ethyl ester | 936-12-9 | C8H11NO2 |
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2-甲基丁酸丙酯 | propyl 2-methylbutanoate | 37064-20-3 | C8H16O2 |
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2-甲基-4-羰基-2-环己烯-1-羧酸乙酯 | 4-carbethoxy-3-methyl-2-cyclohexen-1-one | 487-51-4 | C10H14O3 |
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2-甲基-4-硝基苯甲酸甲酯 | methyl 2-methyl-4-nitrobenzoate | 62621-09-4 | C9H9NO4 |
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2-甲基-2-丙烯酸-1,2,2,4,6-五甲基-4-哌啶酯 | 1,2,2,6,6-pentamethylpiperidin-4-yl methacrylate | 68548-08-3 | C14H25NO2 |
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2-炔丙基-N-丁基氨基甲酸酯 | butylcarbamic acid prop-2-ynyl ester | 76114-73-3 | C8H13NO2 |
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2-溴甲基-4-甲氧基苯甲酸甲酯 | methyl 2-(bromomethyl)-4-(methyloxy)benzoate | 15365-25-0 | C10H11BrO3 |
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2-溴-6-甲基吡嗪 | 2-bromo-6-methylpyrazine | 914452-71-4 | C5H5BrN2 |
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2-溴-5-丙基噻唑-4-羧酸甲酯 | Methyl 2-bromo-5-propylthiazole-4-carboxylate | 1120214-96-1 | C8H10BrNO2S |
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2-溴-4-氯-1-硝基苯 | 2-bromo-4-chloro-1-nitrobenzene | 63860-31-1 | C6H3BrClNO2 |
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2-溴-3-甲基苯甲酸甲酯 | methyl 2-bromo-3-methylbenzoate | 131001-86-0 | C9H9BrO2 |
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2-氰基苯甲酸 | 4-methylbenzenesulfonic acid n-hexylester | 3839-35-8 | C13H20O3S |
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2-氯-4-羟基苯甲酸甲酯 | methyl 2-chloro-4-hydroxy-benzoate | 104253-44-3 | C8H7ClO3 |
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2-氯-3-碘-5-硝基吡啶 | 2-chloro-3-iodo-5-nitropyridine | 25391-60-0 | C5H2ClIN2O2 |
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2-氯-1H-吲哚-3-羧酸 | 2-chloroindole-3-carboxylic acid | 54778-20-0 | C9H6ClNO2 |
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2-氨基甲基苯乙酸 | 2-(2-(aminomethyl)phenyl)acetic acid | 40851-65-8 | C9H11NO2 |
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2-氨基对甲酚盐酸盐 | p-methyl-o-aminophenol hydrochloride | 2977-71-1 | C7H9NO*ClH |
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2-氨基-6-溴-5-甲氧基吡啶 | 6-bromo-5-methoxypyridin-2-amine | 79491-43-3 | C6H7BrN2O |
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2-氨基-5-硝基苯酰胺 | 2-amino-5-nitrobenzamide | 16313-65-8 | C7H7N3O3 |
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2-氨基-5-乙氧基吡嗪 | 5-ethoxypyrazine-2-amine | 647843-58-1 | C6H9N3O |
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2-氨基-4-苯并噻唑羧酸甲酯 | Methyl 2-aminobenzo[d]thiazole-4-carboxylate | 1024054-68-9 | C9H8N2O2S |
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2-氨基-4,5-二甲基噻唑溴酸盐 | 2-amino-4,5-dimethylthiazole hydrobromide | 7170-76-5 | BrH*C5H8N2S |
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2-氨基-3-苯基吡啶 | 2-amino-3-phenyl pyridine | 87109-10-2 | C11H10N2 |
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2-氨基-3-羟基苯乙酮 | 2'-amino-3'-hydroxyacetophenone | 4502-10-7 | C8H9NO2 |
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2-氨基-2-苯基乙酰胺 | Phenylglycinamid | 700-63-0 | C8H10N2O |
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2-氨基-1-(吡啶-2-基)-1-乙醇 | 2-amino-1-(pyridin-2-yl)ethanol | 89943-14-6 | C7H10N2O |
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2-氧代丁酸甲酯 | methyl 2-oxobutanoate | 3952-66-7 | C5H8O3 |
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2-氟-4-碘苯酚 | 2-fluoro-4-iodophenol | 2713-28-2 | C6H4FIO |
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2-异丙基-5-甲基己酯乙酸 | 2-isopropyl-5-methylhexyl acetate | 40853-55-2 | C12H24O2 |
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2-异丙基-2,3-二甲基丁腈 | 2,2-diisopropylpropionitrile | 55897-64-8 | C9H17N |
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2-巯基-5-苯基苯并恶唑 | 5-phenylbenzo[d]oxazole-2-thiol | 17371-99-2 | C13H9NOS |
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2-嘧啶乙酸 | 2-(pyrimidin-2-yl)acetic acid | 66621-73-6 | C6H6N2O2 |
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2-嘧啶-2-基-丙酸 | 2-Pyrimidin-2-yl-propionic acid | 819850-16-3 | C7H8N2O2 |
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2-吡咯烷基去吗啉基罗库溴铵 | [(2S,3S,5R,8R,9R,10S,13S,14R,16S,17R)-3-hydroxy-10,13-dimethyl-16-(1-prop-2-enylpyrrolidin-1-ium-1-yl)-2-pyrrolidin-1-yl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate;bromide | 1190105-65-7 | C32H53BrN2O3 |
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2-吗啉羧酸乙酯 | ethyl morpholine-2-carboxylate | 135782-25-1 | C7H13NO3 |
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2-十四酮 | tetradecan-2-one | 2345-27-9 | C14H28O |
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2-十一烷基咪唑 | 2-undecyl imidazole | 16731-68-3 | C14H26N2 |
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2-十一炔酸甲酯 | methyl undec-2-ynoate | 10522-18-6 | C12H20O2 |
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2-十一炔酸乙酯 | ethyl undec-2-ynoate | 10519-17-2 | C13H22O2 |
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2-二甲氨基乙基乙酸酯 | 2-(Dimethylamino)ethyl acetate | 1421-89-2 | C6H13NO2 |
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2-乙酰-7-羟基苯并呋喃 | 2-acetyl-7-hydroxybenzofuran | 40020-87-9 | C10H8O3 |
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2-乙烯氧基四氢吡喃 | 2-vinyloxytetrahydropyran | 22408-41-9 | C7H12O2 |
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2-丙基戊腈 | di-N-propyl acetonitrile | 13310-75-3 | C8H15N |
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2-丙基-4-(4-吡啶)苯酚 | 2-propyl-4-(4-pyridinazo)phenol | 253124-08-2 | C14H15N3O |
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