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Caprylic acid and nonanoic acid upregulate endogenous host defense peptides to enhance intestinal epithelial immunological barrier function via histone deacetylase inhibition.Int Immunopharmacol. 2018 Dec;65:303-311.",[275,281,287,293,299,305],{"slug":276,"cid":277,"name":278,"nameZh":278,"cas":279,"imgSvg":280},"785893672297173000","J-1963425-4","油酸","112-80-1","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F267\u002F112-80-1.svg",{"slug":282,"cid":283,"name":284,"nameZh":284,"cas":285,"imgSvg":286},"785892773340385300","J-33643-6","油酸甲酯","112-62-9","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F115\u002F112-62-9.svg",{"slug":288,"cid":289,"name":290,"nameZh":290,"cas":291,"imgSvg":292},"785896385512738800","J-857499-0","1-癸炔","764-93-2","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F475\u002F764-93-2.svg",{"slug":294,"cid":295,"name":296,"nameZh":296,"cas":297,"imgSvg":298},"785876289331400700","J-1309576-6","正癸烯","872-05-9","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F499\u002F872-05-9.svg",{"slug":300,"cid":301,"name":302,"nameZh":302,"cas":303,"imgSvg":304},"785892636207616000","J-33222-9","1,2-癸二醇","1119-86-4","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F326\u002F1119-86-4.svg",{"slug":306,"cid":307,"name":308,"nameZh":308,"cas":309,"imgSvg":310},"785895323682738200","J-1979031-9","壬酸烯丙酯","7493-72-3","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F459\u002F7493-72-3.svg",[312,318,324,330,336],{"slug":313,"cid":314,"name":315,"nameZh":315,"cas":316,"imgSvg":317},"785896203949707300","J-1513810-0","4-辛基苯甲酸","3575-31-3","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F369\u002F3575-31-3.svg",{"slug":319,"cid":320,"name":321,"nameZh":321,"cas":322,"imgSvg":323},"785881025703055400","J-1086255-2","季戊四醇四壬酸酯","14450-05-6","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F367\u002F14450-05-6.svg",{"slug":325,"cid":326,"name":327,"nameZh":327,"cas":328,"imgSvg":329},"785892420591030300","J-1137020-0","1-氟辛烷","463-11-6","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F369\u002F463-11-6.svg",{"slug":331,"cid":332,"name":333,"nameZh":333,"cas":334,"imgSvg":335},"785893719504064500","J-36050-9","戊二酸","110-94-1","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F100\u002F110-94-1.svg",{"slug":337,"cid":338,"name":339,"nameZh":339,"cas":340,"imgSvg":341},"785882323953389600","J-3067-1","琥珀酸； 丁二酸","110-15-6","https:\u002F\u002Fapi.chemical.xiaokangmed.com\u002Fimages\u002Fchem_structures_svg\u002F238\u002F110-15-6.svg",[343,346,349,352,355,358],{"key":344,"value":345},"海关编码","2915900090",{"key":347,"value":348},"中文概述","2915900090. 其他饱和无环一元羧酸及其酸酐（酰卤、过氧）化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:5.5%. 普通关税:30.0%",{"key":350,"value":351},"申报要素","品名, 成分含量, 用途",{"key":353,"value":354},"监管条件","A.入境货物通关单 B.出境货物通关单",{"key":356,"value":357},"检验检疫","R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验",{"key":359,"value":360},"Summary","2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%",[362,365,367,370,373,376,379,382,385,388,391,394,397,400],{"key":363,"value":364},"符号","GHS05",{"key":366,"value":257},"信号词",{"key":368,"value":369},"危害声明","H314",{"key":371,"value":372},"警示性声明","P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338",{"key":374,"value":375},"个人防护装备","Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter",{"key":377,"value":378},"危害码 (欧洲)","C:Corrosive;",{"key":380,"value":381},"风险声明 (欧洲)","R34",{"key":383,"value":384},"安全声明 (欧洲)","S26-S28-S36\u002F37\u002F39-S45-S28A",{"key":386,"value":387},"危险品运输编码","UN 3265 8\u002FPG 3",{"key":389,"value":390},"WGK德国","1",{"key":392,"value":393},"RTECS号","RA6650000",{"key":395,"value":396},"包装等级","III",{"key":398,"value":399},"危险类别","8",{"key":344,"value":345},"\u003Ctd>\n\n\u003Cp>\u003Cstrong>正壬酸毒理学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1、 急性毒性：小鼠经口LD50：5000mg\u002Fkg\u003C\u002Fp>\n\u003Cp>大鼠经口LD50：5000mg\u002Fkg；\u003C\u002Fp>\n\u003Cp>大鼠皮肤LD5O：2000mg\u002Fkg\u003C\u002Fp>\n\u003Cp>兔子皮肤LD5O：5000mg\u002Fkg\u003C\u002Fp>\n\u003Cp>2、 对皮肤和眼睛的刺激：兔子皮肤500mg\u002F24H， 有中等强度的刺激。豚鼠皮肤100％，有严重的刺激作用。对兔子眼睛91mg，有严重的刺激作用。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>正壬酸生态学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>对水有稍微的危害。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F112-05-0_335862.html#duXinDiv\">正壬酸毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>1.该物质天然品（游离或酯化状态）存在于玫瑰、香叶、鸢尾、酒花、薰衣草等精油中。工业上由1-辛烯或油酸氧化而得。1.油酸经硝酸或臭氧氧化。\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>2.以1-辛烯和合成气为原料，经羰基化制得壬醛，然后经空气氧化得到壬酸。实验室制备时可将重蒸过的丙二酸二乙酯加入丁醇钠，加热至80-90℃，加入溴庚烷，使反应物缓缓回流至石蕊呈中性。然后加入氢氧化钾溶液，加热回流4-5h，皂化完成后进行水蒸汽蒸馏，蒸至不再有丁醇馏出。将浓盐酸加入残液中，回流1h后冷却分出油层加热，至180℃当停止放出二氧化碳时，反应物中的油状物即粗品壬酸。减压蒸馏，收集140-142℃（1.6kPa）馏分，得成品壬酸，收率约70%。\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>3. 烟草：OR，26， 44， 49；BU，56；FC，9， 40， 41；FC，BU，OR，18；BU，26；合成：由油酸经硝酸或臭氧氧化或由辛烯与合成气为原料，羟基化成壬醛后经空气氧化而得。\u003C\u002Fp>\u003Cp>4.制法： \u003C\u002Fp>\u003Cp>于装有搅拌器、温度计、回流冷凝器的2L反应瓶中，加入500mL无水正丁醇，分批加入切成小块的金属钠23g（1.0mol），搅拌下加热使金属钠反应完全。于70～80℃加入丙二酸二乙酯（2）160g（1.0mol），温度升至80～90℃。撤去温度计，装上滴液漏斗，滴加1-溴庚烷（3）182.5g（1.02mol），生成溴化钠沉淀。控制滴加速度，不出丁醇慢慢回流。加完后继续回流反应1h，反应液呈中性。将反应物转移至3L反应瓶中，用少量的水洗涤反应瓶找那个，一起转入3L反应瓶中，慢慢加入氢氧化钾140g溶于140mL水的溶液，摇动均匀，加入沸石，装上回流冷凝器，小心加热回流5h，使水解完全（可以取少量反应液，加入过量的水中，完全混溶）。水蒸气蒸馏，直至无丁醇馏出。剩余物慢慢加入浓盐酸270mL，加热回流1h。冷却后分出油层，加入1L反应瓶中，安上空气冷凝器，油浴加热至180℃，直至无二氧化碳逸出，约需2h。将剩余物转入蒸馏瓶中，减压蒸馏，收集140-142℃\u002F1.6kPa的馏分，得产品（1）115g，收率73%。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ca href=\"\u002Fen\u002Fcas\u002F112-05-0_335862.html#MSDSDiv\">正壬酸MSDS英文版\u003C\u002Fa>\n\n\u003C\u002Ftd>","2026-11-02T09:21:49.420528Z",false,[407,413,419,425,431,437,443,449,455,461,467,473],{"slug":408,"cid":409,"name":410,"nameZh":411,"cas":412},"785876073760952320","J-12030-9","Ethyl N-piperazinecarboxylate","N-哌嗪甲酸乙酯","120-43-4",{"slug":414,"cid":415,"name":416,"nameZh":417,"cas":418},"785895822188351488","J-42946-9","Calcium acetate","醋酸钙","62-54-4",{"slug":420,"cid":421,"name":422,"nameZh":423,"cas":424},"785875748090023936","J-1322611-4","urea phosphate","磷酸脲","4401-74-5",{"slug":426,"cid":427,"name":428,"nameZh":429,"cas":430},"850081198226018304","J-1134743-6","Nicotinamide hydrochloride","烟酰胺盐酸盐","25334-23-0",{"slug":432,"cid":433,"name":434,"nameZh":435,"cas":436},"785891330910851072","J-1033256-6","N,N-Dimethylaniline hydrochloride","N,N-二甲基苯胺盐酸盐","5882-44-0",{"slug":438,"cid":439,"name":440,"nameZh":441,"cas":442},"785872622716981248","J-1033070-8","N-methyl-o-toluidine hydrochloride","N,2-二甲基苯胺盐酸盐","10541-29-4",{"slug":444,"cid":445,"name":446,"nameZh":447,"cas":448},"785872622918307840","J-1033192-7","N,4-Dimethylaniline hydrochloride","N,4-二甲基苯胺盐酸盐","2739-05-1",{"slug":450,"cid":451,"name":452,"nameZh":453,"cas":454},"785875502853263360","J-1031555-6","2,5-Dimethylaniline hydrochloride","2,5-二甲基苯胺盐酸盐","51786-53-9",{"slug":456,"cid":457,"name":458,"nameZh":459,"cas":460},"785882295415345152","J-2947-0","2,6-Dimethylaniline hydrochloride","2,6-二甲基苯胺盐酸盐","21436-98-6",{"slug":462,"cid":463,"name":464,"nameZh":465,"cas":466},"785894488991076352","J-1092338-3","N-ethylaniline hydrochloride","N-乙基苯胺盐酸盐","4348-19-0",{"slug":468,"cid":469,"name":470,"nameZh":471,"cas":472},"785894641072345088","J-1033249-7","2,3-Dimethylaniline hydrochloride","2,3-二甲基苯胺盐酸盐","5417-45-8",{"slug":474,"cid":475,"name":476,"nameZh":477,"cas":478},"785896689377480704","J-44977-4","2,4-Dimethylaniline hydrochloride","2,4-二甲基苯胺盐酸盐","21436-96-4",1794250756256,"zh-CN",[]]