{"id":475,"date":"2023-07-23T03:37:45","date_gmt":"2023-07-23T03:37:45","guid":{"rendered":"https:\/\/chemuza.org\/tr\/4-etil-aminobenzoat-c9h11no2-94-09-7\/"},"modified":"2023-07-23T03:37:45","modified_gmt":"2023-07-23T03:37:45","slug":"4-etil-aminobenzoat-c9h11no2-94-09-7","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/4-etil-aminobenzoat-c9h11no2-94-09-7\/","title":{"rendered":"Etil 4-aminobenzoat \u2013 c9h11no2, 94-09-7"},"content":{"rendered":"<p>Benzokain olarak da bilinen etil 4-aminobenzoat, di\u015f prosed\u00fcrlerinde ve topikal a\u011fr\u0131 kesici \u00fcr\u00fcnlerde yayg\u0131n olarak kullan\u0131lan lokal bir anesteziktir. Sinir sinyallerini bloke ederek \u00e7al\u0131\u015f\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> etil 4-aminobenzoat<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C9H11NO2<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 94-09-7<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Benzokain, p-aminobenzoik asit etil ester, etil aminobenzoat, etil p-aminobenzoat, 4-(etoksikarbonil)anilinyum benzoat<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C9H11NO2\/c1-2-12-9(11)7-3-5-8(10)6-4-7\/h3-6H,2,10H2,1H3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h6 class=\"wp-block-heading\"> Etil 4-aminobenzoat molar k\u00fctlesi:<\/h6>\n<p> Etil 4-aminobenzoat\u0131n molar k\u00fctlesi 165,19 g\/mol&#8217;d\u00fcr. Molar k\u00fctle, bir maddenin bir mol\u00fcn\u00fcn k\u00fctlesidir ve bir molek\u00fcldeki t\u00fcm atomlar\u0131n atomik k\u00fctlelerinin toplanmas\u0131yla hesaplan\u0131r. Molar k\u00fctle, kimyasal reaksiyonlarda \u00f6nemli bir parametredir ve bir numunede bulunan madde miktar\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etil 4-aminobenzoat\u0131n kaynama noktas\u0131:<\/h6>\n<p> Etil 4-aminobenzoat\u0131n kaynama noktas\u0131 310,7\u00b0C&#8217;dir. Kaynama noktas\u0131, bir s\u0131v\u0131n\u0131n buhar bas\u0131nc\u0131n\u0131n d\u0131\u015f bas\u0131nca e\u015fit oldu\u011fu s\u0131cakl\u0131kt\u0131r. Kaynama noktas\u0131nda bir madde s\u0131v\u0131dan gaza faz ge\u00e7i\u015fine u\u011frar. Etil 4-aminobenzoat\u0131n y\u00fcksek kaynama noktas\u0131, onu y\u00fcksek s\u0131cakl\u0131klar i\u00e7eren di\u015f\u00e7ilik ve t\u0131bbi prosed\u00fcrlerde kullan\u0131m i\u00e7in uygun bir bile\u015fik haline getirir.<\/p>\n<h6 class=\"wp-block-heading\"> Etil 4-aminobenzoat\u0131n erime noktas\u0131:<\/h6>\n<p> Etil 4-aminobenzoat\u0131n erime noktas\u0131 89-92\u00b0C&#8217;dir. Erime noktas\u0131, kat\u0131 bir maddenin s\u0131v\u0131 duruma ge\u00e7ti\u011fi s\u0131cakl\u0131kt\u0131r. Bir bile\u015fi\u011fin erime noktas\u0131 onun kimyasal yap\u0131s\u0131na, safl\u0131\u011f\u0131na ve bas\u0131nc\u0131na ba\u011fl\u0131d\u0131r. Etil 4-aminobenzoat\u0131n d\u00fc\u015f\u00fck bir erime noktas\u0131na sahip olmas\u0131, topikal anestetik ve analjeziklerin haz\u0131rlanmas\u0131nda kullan\u0131lmas\u0131n\u0131 ve kullan\u0131lmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etil 4-aminobenzoat g\/ml yo\u011funlu\u011fu:<\/h6>\n<p> Etil 4-aminobenzoat\u0131n yo\u011funlu\u011fu 1,17 g\/mL&#8217;dir. Yo\u011funluk, bir maddenin birim hacmi ba\u015f\u0131na k\u00fctle miktar\u0131d\u0131r. Bir bile\u015fi\u011fin yo\u011funlu\u011fu molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131na, s\u0131cakl\u0131\u011f\u0131na ve bas\u0131nc\u0131na ba\u011fl\u0131d\u0131r. Etil 4-aminobenzoat\u0131n y\u00fcksek yo\u011funlu\u011fu, onu kolayca \u00f6l\u00e7\u00fclebilen ve kimyasal reaksiyonlarda kesin miktarlarda kullan\u0131labilen a\u011f\u0131r bir bile\u015fik haline getirir.<\/p>\n<p> Benzokainin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131:<\/p>\n<p> Benzokainin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 165,19 g\/mol&#8217;d\u00fcr. Molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131, bir molek\u00fcldeki t\u00fcm atomlar\u0131n atom a\u011f\u0131rl\u0131klar\u0131n\u0131n toplam\u0131d\u0131r. Bir bile\u015fi\u011fin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 onun fiziksel ve kimyasal \u00f6zelliklerinin belirlenmesinde \u00f6nemlidir.<\/p>\n<p> Benzokainin yap\u0131s\u0131: <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/benzocaine.png\" alt=\"etil 4-aminobenzoat\" width=\"227\" height=\"106\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<p> Benzokainin yap\u0131s\u0131, C9H11NO2 kimyasal form\u00fcl\u00fcne sahip beyaz kristal bir tozdur. Bir karboksil grubunun ve bir amino grubunun ba\u011fl\u0131 oldu\u011fu bir benzen halkas\u0131na sahiptir. Etil grubu amino grubuna ba\u011flanarak onu benzoik asidin bir t\u00fcrevi haline getirir. Benzokainin yap\u0131s\u0131, fiziksel ve kimyasal \u00f6zelliklerinin anla\u015f\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n<p> Benzokain Form\u00fcl\u00fc:<\/p>\n<p> Benzokainin kimyasal form\u00fcl\u00fc C9H11NO2&#8217;dir. Bir benzoik asit t\u00fcrevidir ve amino grubuna ba\u011fl\u0131 bir etil grubuna sahiptir. Benzokain form\u00fcl\u00fc, bile\u015fi\u011fin bile\u015fimini temsil etmek i\u00e7in kullan\u0131l\u0131r ve fiziksel ve kimyasal \u00f6zelliklerinin anla\u015f\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n<td> Beyaz kristal toz<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yer \u00e7ekimi<\/td>\n<td> 1.17g\/ml<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksizden beyaza<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Kokusuz<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 165,19 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 1.17g\/ml<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> 89-92\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> 310,7\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> 164,2\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Az \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Etanol, kloroform, eterde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> 25\u00b0C&#8217;de 1,07E-07 mmHg<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 5.7 (havaya kar\u015f\u0131)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> 2.5<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> 6,5 \u2013 7,5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Etil 4-aminobenzoat\u0131n g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h5>\n<p> Benzokain temas halinde ciltte ve g\u00f6zde tahri\u015fe neden olabilir. Bile\u015fi\u011fin yutulmas\u0131 veya solunmas\u0131 sindirim veya solunum sisteminde tahri\u015fe neden olabilir. Benzokaine uzun s\u00fcreli veya tekrarl\u0131 maruz kalma, karaci\u011fer veya b\u00f6brek hasar\u0131na neden olabilir. Bile\u015fik kanserojen veya mutajenik olarak kabul edilmemektedir, ancak kullan\u0131l\u0131rken dikkatli olunmal\u0131d\u0131r. Benzokainle \u00e7al\u0131\u015f\u0131rken eldiven ve koruyucu g\u00f6zl\u00fck gibi uygun ki\u015fisel koruyucu ekipman giyilmelidir. Yutulmas\u0131 veya kazara maruz kalmas\u0131 durumunda derhal t\u0131bbi yard\u0131ma ba\u015fvurun. Benzokain serin, kuru bir yerde ve ate\u015f veya \u0131s\u0131 kaynaklar\u0131ndan uzakta saklanmal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> XI<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> S22-S24\/25-S36-S37<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> D\u00fczenlenmemi\u015f<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 29224990<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> Tahri\u015f edici<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> D\u00fczenlenmemi\u015f<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> LD50 (s\u0131\u00e7an, a\u011f\u0131zdan) = 940 mg\/kg; LD50 (s\u0131\u00e7an, dermal) &gt; 2 g\/kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Etil 4-aminobenzoat sentezi i\u00e7in y\u00f6ntemler<\/strong><\/h5>\n<p> Benzokain olarak da bilinen benzokain, \u00e7e\u015fitli y\u00f6ntemlerle sentezlenebilmektedir. Yayg\u0131n bir y\u00f6ntem, p-aminobenzoik asidin, s\u00fclf\u00fcrik asit veya hidroklorik asit gibi g\u00fc\u00e7l\u00fc bir asit kataliz\u00f6r\u00fcn\u00fcn varl\u0131\u011f\u0131nda etanol ile reaksiyonunu i\u00e7erir. Elde edilen p-aminobenzoik asidin etil esteri daha sonra diazonyum tuzunu olu\u015fturmak \u00fczere sodyum nitrit ve hidroklorik asit ile i\u015flenir. Bu tuz daha sonra sodyum asetat ve asetik anhidrit ile reaksiyona girerek etil 4-asetoksi-3-nitrobenzoat verir; bu daha sonra kalay ve hidroklorik asit ile indirgenerek benzokain elde edilir.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, etil p-nitrofenilkarbamat olu\u015fturmak \u00fczere p-nitroanilin&#8217;in sodyum hidroksit varl\u0131\u011f\u0131nda etil kloroformat ile reaksiyonunu i\u00e7erir. Bu bile\u015fik daha sonra hidrojen gaz\u0131 ve bir paladyum kataliz\u00f6r\u00fc ile indirgenerek benzokain elde edilir.<\/p>\n<p> \u00dc\u00e7\u00fcnc\u00fc bir y\u00f6ntemde, etil 4-nitrobenzoat \u00e7inko tozu ve hidroklorik asit ile indirgenerek benzokain \u00fcretilir.<\/p>\n<p> Kullan\u0131lan sentez y\u00f6ntemi ne olursa olsun, saf bir \u00fcr\u00fcn elde etmek i\u00e7in elde edilen bile\u015fi\u011fin yeniden kristalle\u015ftirme veya ba\u015fka y\u00f6ntemlerle safla\u015ft\u0131r\u0131lmas\u0131 gerekir. Benzokain yayg\u0131n olarak kullan\u0131lan bir lokal anesteziktir ve ayr\u0131ca \u00e7e\u015fitli farmas\u00f6tik ve kozmetiklerin \u00fcretiminde de kullan\u0131l\u0131r.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Etil 4-aminobenzoat\u0131n kullan\u0131mlar\u0131<\/strong><\/h5>\n<p> Yayg\u0131n bir lokal anestezik olan benzokain, etkilenen b\u00f6lgeyi uyu\u015fturur ve k\u00fc\u00e7\u00fck cilt tahri\u015fleri, bo\u011faz a\u011fr\u0131lar\u0131, di\u015f a\u011fr\u0131lar\u0131 ve di\u015f \u00e7\u0131karman\u0131n neden oldu\u011fu a\u011fr\u0131 ve ka\u015f\u0131nt\u0131da ge\u00e7ici bir rahatlama sa\u011flar. Kremler, jeller, spreyler ve pastiller gibi \u00e7e\u015fitli formlarda bulunur ve farmas\u00f6tik ve kozmetikte yayg\u0131n olarak kullan\u0131l\u0131r. G\u00fcne\u015f yan\u0131\u011f\u0131 ve \u00e7atlam\u0131\u015f dudaklardan kaynaklanan a\u011fr\u0131y\u0131 hafifletmek i\u00e7in \u00f6ks\u00fcr\u00fck pastilleri, bo\u011faz spreyleri, a\u011f\u0131z a\u011fr\u0131s\u0131 jelleri, g\u00fcne\u015f koruyucu losyonlar ve dudak balsam\u0131nda yayg\u0131n olarak kullan\u0131lan bir maddedir.<\/p>\n<p> G\u0131da end\u00fcstrisi ayr\u0131ca \u015fekerleme, sak\u0131z ve di\u011fer \u015fekerleme \u00fcr\u00fcnlerinde serinletici ve uyu\u015fturucu bir etki yaratmak i\u00e7in aroma maddesi olarak benzokain kullan\u0131r. Amerika Birle\u015fik Devletleri G\u0131da ve \u0130la\u00e7 \u0130daresi (FDA), g\u0131da \u00fcr\u00fcnlerinde kullan\u0131m\u0131n\u0131 onayl\u0131yor.<\/p>\n<p> Ancak benzokain, cilt tahri\u015fi ve alerjik reaksiyonlar gibi istenmeyen yan etkilerden ka\u00e7\u0131nmak i\u00e7in yaln\u0131zca bir sa\u011fl\u0131k uzman\u0131n\u0131n talimat\u0131na veya \u00fcr\u00fcn etiketinde belirtildi\u011fi \u015fekilde kullan\u0131lmal\u0131d\u0131r. Bu nedenle dikkatli kullan\u0131lmas\u0131 \u00f6nemlidir.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h5>\n<h6 class=\"wp-block-heading\"> Etil 4-aminobenzoat polar m\u0131d\u0131r?<\/h6>\n<p> Evet, etil 4-aminobenzoat polard\u0131r. Bir polar fonksiyonel gruba (amino grubu) ve ona net bir dipol momenti veren bir polar ester grubuna sahiptir. Bu, molek\u00fcl\u00fcn bir ucunda k\u0131smi pozitif y\u00fck, di\u011fer ucunda k\u0131smi negatif y\u00fck oldu\u011fu ve onu polar hale getirdi\u011fi anlam\u0131na gelir. Benzokainin bu \u00f6zelli\u011fi, onu su ve etanol gibi polar \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr ve heksan ve benzen gibi polar olmayan \u00e7\u00f6z\u00fcc\u00fclerde daha az \u00e7\u00f6z\u00fcn\u00fcr hale getirir. Etil 4-aminobenzoat\u0131n polaritesi ayn\u0131 zamanda erime noktas\u0131, kaynama noktas\u0131 ve \u00e7\u00f6z\u00fcn\u00fcrl\u00fck gibi fiziksel ve kimyasal \u00f6zelliklerini de etkiler.<\/p>\n<h6 class=\"wp-block-heading\"> Etil 4-aminobenzoat suda \u00e7\u00f6z\u00fcn\u00fcr m\u00fc?<\/h6>\n<p> Evet, etil 4-aminobenzoat suda k\u0131smen \u00e7\u00f6z\u00fcn\u00fcr. Su molek\u00fclleri ile hidrojen ba\u011flar\u0131 olu\u015fturmas\u0131n\u0131 sa\u011flayan bir polar fonksiyonel gruba ve bir ester grubuna sahiptir. Ancak yap\u0131s\u0131nda bulunan polar olmayan etil grubu nedeniyle sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc s\u0131n\u0131rl\u0131d\u0131r. Bu, etil 4-aminobenzoat\u0131n, etanol ve aseton gibi organik \u00e7\u00f6z\u00fcc\u00fclerde suya g\u00f6re daha fazla \u00e7\u00f6z\u00fcn\u00fcr oldu\u011fu anlam\u0131na gelir. Etil 4-aminobenzoat\u0131n sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc ayn\u0131 zamanda s\u0131cakl\u0131k, pH ve di\u011fer maddelerin varl\u0131\u011f\u0131 gibi \u00e7e\u015fitli fakt\u00f6rlere de ba\u011fl\u0131d\u0131r. Normal ko\u015fullar alt\u0131nda etil 4-aminobenzoat\u0131n sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc 25\u00b0C&#8217;de yakla\u015f\u0131k 0,3 g\/L&#8217;dir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Benzokain olarak da bilinen etil 4-aminobenzoat, di\u015f prosed\u00fcrlerinde ve topikal a\u011fr\u0131 kesici \u00fcr\u00fcnlerde yayg\u0131n olarak kullan\u0131lan lokal bir anesteziktir. Sinir sinyallerini bloke ederek \u00e7al\u0131\u015f\u0131r. IUPAC Ad\u0131 etil 4-aminobenzoat Molek\u00fcler form\u00fcl C9H11NO2 CAS numaras\u0131 94-09-7 E\u015f anlaml\u0131 Benzokain, p-aminobenzoik asit etil ester, etil aminobenzoat, etil p-aminobenzoat, 4-(etoksikarbonil)anilinyum benzoat InChI InChI=1S\/C9H11NO2\/c1-2-12-9(11)7-3-5-8(10)6-4-7\/h3-6H,2,10H2,1H3 Etil 4-aminobenzoat molar k\u00fctlesi: Etil 4-aminobenzoat\u0131n &#8230; <a title=\"Etil 4-aminobenzoat \u2013 c9h11no2, 94-09-7\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/4-etil-aminobenzoat-c9h11no2-94-09-7\/\" aria-label=\"More on Etil 4-aminobenzoat \u2013 c9h11no2, 94-09-7\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Etil 4-aminobenzoat - C9H11NO2, 94-09-7<\/title>\n<meta name=\"description\" content=\"Benzokain olarak da bilinen etil 4-aminobenzoat, di\u015f prosed\u00fcrlerinde ve topikal a\u011fr\u0131 kesici \u00fcr\u00fcnlerde yayg\u0131n olarak kullan\u0131lan lokal bir anesteziktir.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chemuza.org\/tr\/4-etil-aminobenzoat-c9h11no2-94-09-7\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Etil 4-aminobenzoat - 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