{"id":515,"date":"2023-07-22T21:34:59","date_gmt":"2023-07-22T21:34:59","guid":{"rendered":"https:\/\/chemuza.org\/tr\/eten\/"},"modified":"2023-07-22T21:34:59","modified_gmt":"2023-07-22T21:34:59","slug":"eten","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/eten\/","title":{"rendered":"Eten (etilen) \u2013 c2h4, 74-85-1"},"content":{"rendered":"<p>Etilen olarak da bilinen etilen, tatl\u0131 bir kokuya sahip, renksiz, yan\u0131c\u0131 bir gazd\u0131r. Plastik, solvent ve di\u011fer kimyasallar\u0131n \u00fcretiminde kullan\u0131lan kimya end\u00fcstrisinin \u00f6nemli bir par\u00e7as\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC&#8217;\u0131n ad\u0131<\/td>\n<td> Eten<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C2H4<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 74-85-1<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Etilen, Eten (yanl\u0131\u015fl\u0131kla), Ya\u011flay\u0131c\u0131 gaz, Elayl, 1,2-Dihidrojen etilen<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C2H4\/c1-2\/h1-2H2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h6 class=\"wp-block-heading\"> Etilen form\u00fcl\u00fc<\/h6>\n<p> Etenin kimyasal form\u00fcl\u00fc C2H4&#8217;t\u00fcr. Bir eten molek\u00fcl\u00fcnde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcr\u00fcn\u00fc temsil eder. Form\u00fcl, bir reaksiyonun stokiyometrisinin veya belirli bir end\u00fcstriyel i\u015flem i\u00e7in gereken etilen miktar\u0131n\u0131n belirlenmesi gibi etilen i\u00e7eren kimyasal reaksiyonlarda ve hesaplamalarda kullan\u0131l\u0131r. <\/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\/ethene.jpg\" alt=\"Eten\" width=\"167\" height=\"157\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h6 class=\"wp-block-heading\"> Etilen yap\u0131s\u0131<\/h6>\n<p> Etilen, \u00e7ift ba\u011fla ba\u011flanan iki karbon atomu ve her karbon atomuna d\u00f6rt hidrojen atomu ba\u011fl\u0131 olan basit bir do\u011frusal yap\u0131ya sahiptir. Karbon-karbon \u00e7ift ba\u011f\u0131, etilenin reaktivitesinden sorumludur ve bu da onu kimya end\u00fcstrisinde faydal\u0131 bir yap\u0131 ta\u015f\u0131 haline getirir. Molek\u00fcl, t\u00fcm atomlar\u0131n ayn\u0131 d\u00fczlemde yer ald\u0131\u011f\u0131 d\u00fczlemsel bir yap\u0131ya sahiptir.<\/p>\n<h6 class=\"wp-block-heading\"> Eten Molar K\u00fctlesi<\/h6>\n<p> Etilen olarak da adland\u0131r\u0131lan etenin molar k\u00fctlesi 28,05 g\/mol&#8217;d\u00fcr. C2H4 kimyasal form\u00fcl\u00fc ile temsil edilen, iki karbon atomu ve d\u00f6rt hidrojen atomundan olu\u015fan basit bir organik molek\u00fcld\u00fcr. Molar k\u00fctle, molek\u00fcldeki tek tek atomlar\u0131n atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r.<\/p>\n<p> Molar k\u00fctle, kimyasal reaksiyonlarda ve etilen i\u00e7eren hesaplamalarda \u00f6nemli bir parametredir. Bir reaksiyonda ihtiya\u00e7 duyulan etilen miktar\u0131n\u0131n yan\u0131 s\u0131ra \u00fcretilebilecek \u00fcr\u00fcn miktar\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen kaynama noktas\u0131<\/h6>\n<p> Etenin kaynama noktas\u0131 -103,7\u00b0C&#8217;dir (-154,7\u00b0F). Etilen oda s\u0131cakl\u0131\u011f\u0131nda ve bas\u0131nc\u0131nda bir gazd\u0131r ve kaynama noktas\u0131 suyunkinden \u00e7ok daha d\u00fc\u015f\u00fckt\u00fcr, bu da end\u00fcstriyel i\u015flemlerde di\u011fer maddelerden ayr\u0131lmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r.<\/p>\n<p> Etenin kaynama noktas\u0131 numunenin bas\u0131nc\u0131na ve safl\u0131\u011f\u0131na ba\u011fl\u0131d\u0131r. Daha y\u00fcksek bas\u0131n\u00e7larda etenin kaynama noktas\u0131 artar. Benzer \u015fekilde numunede bulunan yabanc\u0131 maddeler kaynama noktas\u0131n\u0131n beklenen de\u011ferden farkl\u0131 olmas\u0131na neden olabilir.<\/p>\n<h6 class=\"wp-block-heading\"> Eten Erime Noktas\u0131<\/h6>\n<p> Etilenin erime noktas\u0131 -169,2\u00b0C&#8217;dir (-272,6\u00b0F). Etilen, do\u011frusal \u015fekle sahip, polar olmayan bir molek\u00fcld\u00fcr, bu da onu di\u011fer bir\u00e7ok organik bile\u015fi\u011fe k\u0131yasla nispeten basit bir molek\u00fcl haline getirir. Bu, d\u00fc\u015f\u00fck erime noktas\u0131na da yans\u0131r.<\/p>\n<p> Kaynama noktas\u0131 gibi etilenin erime noktas\u0131 da numunenin safl\u0131\u011f\u0131na ba\u011fl\u0131 olarak de\u011fi\u015febilir. Safs\u0131zl\u0131klar erime noktas\u0131n\u0131 d\u00fc\u015f\u00fcrebilir ve deneysel ama\u00e7larla saf bir numune elde edilmesini zorla\u015ft\u0131rabilir.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen yo\u011funlu\u011fu g\/ml<\/h6>\n<p> Etilen yo\u011funlu\u011fu, 0\u00b0C (32\u00b0F) ve 1 atm bas\u0131n\u00e7 olarak tan\u0131mlanan standart s\u0131cakl\u0131k ve bas\u0131n\u00e7 (STP) ko\u015fullar\u0131 alt\u0131nda 0,958 g\/mL&#8217;dir. Etilen havadan daha az yo\u011fundur, bu da atmosferde y\u00fckselip da\u011f\u0131labilece\u011fi anlam\u0131na gelir.<\/p>\n<p> Yo\u011funluk etilenin \u00f6nemli bir fiziksel \u00f6zelli\u011fidir \u00e7\u00fcnk\u00fc end\u00fcstriyel i\u015flemlerde belirli bir alan hacmi i\u00e7in gereken etilen miktar\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r. Ayn\u0131 zamanda bir numunedeki etilenin k\u00fctlesini hesaplamak i\u00e7in de kullan\u0131l\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131<\/h6>\n<p> Etilenin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 28,05 g\/mol&#8217;d\u00fcr. Molek\u00fcl\u00fcn\u00fc olu\u015fturan atomlar\u0131n atom a\u011f\u0131rl\u0131klar\u0131n\u0131n toplam\u0131d\u0131r. Molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131, bir\u00e7ok kimyasal hesaplamada, \u00f6zellikle bir reaksiyonun stokiyometrisinin ve gerekli veya \u00fcretilen reaktanlar\u0131n ve \u00fcr\u00fcnlerin miktar\u0131n\u0131n belirlenmesinde \u00f6nemli bir parametredir.<\/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> Renksiz gaz<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yo\u011funluk<\/td>\n<td> 20\u00b0C&#8217;de (68\u00b0F) 0,968 g\/mL<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksiz<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Tatl\u0131, baharatl\u0131<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 28,05 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 0\u00b0C ve 1 atm&#8217;de 0,958 g\/mL<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> -169,2\u00b0C (-272,6\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> 1 atm bas\u0131n\u00e7ta -103,7\u00b0C (-154,7\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> -136\u00b0C (-213\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> 25\u00b0C&#8217;de (77\u00b0F) 3,5 g\/L<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Suda \u00e7\u00f6z\u00fcnmez, organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> 20\u00b0C&#8217;de (68\u00b0F) 114,6 kPa<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 0,97 (hava = 1)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> 44<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> Etilen sulu bir \u00e7\u00f6zelti olmad\u0131\u011f\u0131ndan uygulanamaz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Etilen G\u00fcvenli\u011fi ve Tehlikeleri<\/strong><\/h5>\n<p> Etilen, havayla patlay\u0131c\u0131 kar\u0131\u015f\u0131mlar olu\u015fturabilen olduk\u00e7a yan\u0131c\u0131 bir gazd\u0131r. Konsantrasyon yeterince y\u00fcksekse havada kendili\u011finden tutu\u015fabilir. Etilen ayn\u0131 zamanda bo\u011fucu bir maddedir ve kapal\u0131 alanlarda oksijenin yerini alarak \u015fok edici bir tehlike olu\u015fturabilir.<\/p>\n<p> S\u0131v\u0131 etilen ile temas veya y\u00fcksek konsantrasyonda gaza maruz kalma, donma veya yan\u0131klara neden olabilir. Etilen toksik de\u011fildir ancak karbon monoksit ve karbon dioksit dahil olmak \u00fczere yanma \u00fcr\u00fcnleri insan sa\u011fl\u0131\u011f\u0131na zararl\u0131 olabilir.<\/p>\n<p> Etilenle \u00e7al\u0131\u015fmak, yeterli havaland\u0131rma, ki\u015fisel koruyucu ekipman ve yang\u0131n g\u00fcvenli\u011fi \u00f6nlemleri dahil uygun g\u00fcvenlik \u00f6nlemlerini gerektirir. Etilen iyi havaland\u0131r\u0131lan alanlarda, tutu\u015fma kaynaklar\u0131ndan uzakta saklanmal\u0131 ve ta\u015f\u0131nmal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> Yan\u0131c\u0131 gaz (GHS02), basit bo\u011fucu (GHS09)<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Tutu\u015fturucu kaynaklardan uzak tutun &#8211; Sigara i\u00e7meyin. Yaln\u0131zca k\u0131v\u0131lc\u0131m \u00e7\u0131karmayan aletler kullan\u0131n. Gaz solumay\u0131n. Yaln\u0131zca a\u00e7\u0131k havada veya iyi havaland\u0131r\u0131lm\u0131\u015f bir alanda kullan\u0131n. Koruyucu eldiven\/koruyucu k\u0131yafet\/g\u00f6z koruyucu\/y\u00fcz koruyucu kullan\u0131n.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> UN 1962 (s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f gaz)<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 2901.21.00<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 2.1 (yan\u0131c\u0131 gaz)<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> Yok<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> Toksik olmayan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Etilen sentez y\u00f6ntemleri<\/strong><\/h5>\n<p> Etileni sentezlemek i\u00e7in hidrokarbonlar\u0131n termal par\u00e7alanmas\u0131 ve alkollerin dehidrasyonu dahil olmak \u00fczere \u00e7e\u015fitli y\u00f6ntemler kullan\u0131labilir.<\/p>\n<p> Termal par\u00e7alamada s\u00fcre\u00e7, uzun zincirli molek\u00fclleri daha k\u00fc\u00e7\u00fck molek\u00fcllere par\u00e7alamak ve b\u00f6ylece etilen \u00fcretmek i\u00e7in metan, propan ve nafta gibi hidrokarbonlar\u0131n bir kataliz\u00f6r varl\u0131\u011f\u0131nda y\u00fcksek s\u0131cakl\u0131klarda (500 ila 900 \u00b0C) \u0131s\u0131t\u0131lmas\u0131n\u0131 i\u00e7erir. \u00fcr\u00fcnler.<\/p>\n<p> Di\u011fer bir yayg\u0131n y\u00f6ntem, etanol\u00fc veya di\u011fer alkolleri dehidre etmek ve etilen ve su olu\u015fturmak i\u00e7in y\u00fcksek s\u0131cakl\u0131klarda (250-350\u00b0C) al\u00fcmina veya silika gibi bir kataliz\u00f6r\u00fcn kullan\u0131lmas\u0131n\u0131 i\u00e7eren alkol dehidrasyonudur.<\/p>\n<p> Buharla par\u00e7alama, etilen ve di\u011fer \u00fcr\u00fcnlerden olu\u015fan bir kar\u0131\u015f\u0131m olu\u015fturmak i\u00e7in hidrokarbonlara y\u00fcksek s\u0131cakl\u0131klarda (700-900\u00b0C) buhar\u0131n eklendi\u011fi, etilen \u00fcretmek i\u00e7in kullan\u0131lan ba\u015fka bir i\u015flemdir.<\/p>\n<p> Ah\u015fap, ka\u011f\u0131t ve plastik gibi organik malzemelerin termal ayr\u0131\u015fmas\u0131 da etilen \u00fcretebilir.<\/p>\n<p> Etileni sentezlemenin di\u011fer y\u00f6ntemleri aras\u0131nda etan\u0131n oksidatif dehidrojenasyonu ve metanol\u00fcn olefinlere d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi i\u015flemi yer al\u0131r.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Etilen kullan\u0131mlar\u0131<\/strong><\/h5>\n<p> Etilen, geni\u015f bir kullan\u0131m alan\u0131na sahip \u00f6nemli bir end\u00fcstriyel kimyasald\u0131r.<\/p>\n<ul>\n<li> Etilen, d\u00fcnyada en yayg\u0131n kullan\u0131lan plastiklerden biri olan polietilenin \u00fcretiminde \u00f6nemli bir rol oynamaktad\u0131r. \u0130nsanlar polietileni ambalaj, boru ve in\u015faat malzemeleri gibi \u00e7e\u015fitli uygulamalarda kullan\u0131rlar.<\/li>\n<li> \u00dcreticiler, polivinil klor\u00fcr (PVC) gibi di\u011fer polimerlerin \u00fcretiminde etileni ana bile\u015fen olarak kullan\u0131yor. PVC yap\u0131 malzemeleri, t\u0131bbi cihazlar ve elektrik kablolar\u0131nda faydal\u0131d\u0131r.<\/li>\n<li> Etilen ayr\u0131ca deterjan, solvent ve plastik \u00fcretiminde \u00f6nemli bir hammadde olan etilen oksit \u00fcretiminde de \u00e7ok \u00f6nemlidir.<\/li>\n<li> \u00dcreticiler, motorlar i\u00e7in bir so\u011futucu ve antifriz olan etilen glikol \u00fcretmek i\u00e7in etilen kullan\u0131yor. Ayn\u0131 zamanda polyester elyaf, film ve re\u00e7ine \u00fcretiminde de hammaddedir.<\/li>\n<li> Etilen, metallerin kaynaklanmas\u0131 ve kesilmesi i\u00e7in yak\u0131t olarak kullan\u0131l\u0131r. Ayn\u0131 zamanda meyve ve sebzelerde olgunla\u015ft\u0131r\u0131c\u0131 madde olarak da g\u00f6rev yapar.<\/li>\n<li> Etilen, etanol ve asetaldehit dahil olmak \u00fczere \u00e7e\u015fitli organik bile\u015fiklerin sentezinde faydal\u0131d\u0131r.<\/li>\n<\/ul>\n<p> Genel olarak, etilenin \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc, onu \u00e7ok \u00e7e\u015fitli end\u00fcstriyel proseslerde \u00f6nemli bir bile\u015fen haline getirerek modern ya\u015fam\u0131n bir\u00e7ok y\u00f6n\u00fcne katk\u0131da bulunur.<\/p>\n<p> <strong>Sorular:<\/strong><\/p>\n<h6 class=\"wp-block-heading\"> Diels-Alder reaksiyonunda hangi dienler etilen ile reaksiyona girer?<\/h6>\n<p> \u0130ki konjuge \u00e7ift ba\u011f i\u00e7eren herhangi bir dien, eten ile Diels-Alder reaksiyonuna girebilir. Bu t\u00fcr dienlerin \u00f6rnekleri aras\u0131nda 1,3-butadien ve izopren yer al\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etende hidrojen atomlar\u0131 nas\u0131l d\u00fczenlenmi\u015ftir?<\/h6>\n<p> Etende iki karbon atomu birbirine \u00e7ift ba\u011fla ba\u011fl\u0131d\u0131r. Her karbon atomu ayn\u0131 zamanda iki hidrojen atomuna da ba\u011fl\u0131d\u0131r; geri kalan de\u011ferlikler, her karbon atomundaki iki payla\u015f\u0131lmam\u0131\u015f elektron \u00e7ifti taraf\u0131ndan i\u015fgal edilir. Her karbonun etraf\u0131ndaki atomlar\u0131n d\u00fczeni trigonaldir.<\/p>\n<h6 class=\"wp-block-heading\"> Eten C2H4&#8217;te sp2 hibridizasyonu meydana geldi\u011finde ka\u00e7 pi ba\u011f\u0131 olu\u015fur?<\/h6>\n<p> Etende sp2 hibridizasyonu meydana geldi\u011finde, iki karbon atomu aras\u0131nda bir pi ba\u011f\u0131 olu\u015fur. Sp2 hibrit y\u00f6r\u00fcngeleri, karbon atomlar\u0131 ve hidrojen atomlar\u0131 aras\u0131nda sigma ba\u011flar\u0131n\u0131n olu\u015fumuna kat\u0131l\u0131rken, her karbon atomunun p y\u00f6r\u00fcngeleri pi ba\u011f\u0131n\u0131 olu\u015fturmak i\u00e7in \u00fcst \u00fcste gelir. Etilen doymam\u0131\u015f bir hidrokarbon olarak s\u0131n\u0131fland\u0131r\u0131l\u0131r \u00e7\u00fcnk\u00fc iki karbon atomu aras\u0131nda \u00e7ift ba\u011f vard\u0131r. Bu \u00e7ift ba\u011f, bir sigma ba\u011f\u0131 ve bir pi ba\u011f\u0131ndan olu\u015fur; bu, etenin, ayn\u0131 say\u0131da karbon atomuna sahip kar\u015f\u0131la\u015ft\u0131r\u0131labilir doymu\u015f hidrokarbondan daha az hidrojen atomuna sahip oldu\u011fu anlam\u0131na gelir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Etilen olarak da bilinen etilen, tatl\u0131 bir kokuya sahip, renksiz, yan\u0131c\u0131 bir gazd\u0131r. Plastik, solvent ve di\u011fer kimyasallar\u0131n \u00fcretiminde kullan\u0131lan kimya end\u00fcstrisinin \u00f6nemli bir par\u00e7as\u0131d\u0131r. IUPAC&#8217;\u0131n ad\u0131 Eten Molek\u00fcler form\u00fcl C2H4 CAS numaras\u0131 74-85-1 E\u015f anlaml\u0131 Etilen, Eten (yanl\u0131\u015fl\u0131kla), Ya\u011flay\u0131c\u0131 gaz, Elayl, 1,2-Dihidrojen etilen InChI InChI=1S\/C2H4\/c1-2\/h1-2H2 Etilen form\u00fcl\u00fc Etenin kimyasal form\u00fcl\u00fc C2H4&#8217;t\u00fcr. Bir eten molek\u00fcl\u00fcnde &#8230; <a title=\"Eten (etilen) \u2013 c2h4, 74-85-1\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/eten\/\" aria-label=\"More on Eten (etilen) \u2013 c2h4, 74-85-1\">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>Eten (etilen) - C2H4, 74-85-1<\/title>\n<meta name=\"description\" content=\"Etilen olarak da bilinen etilen, tatl\u0131 kokulu, renksiz, yan\u0131c\u0131 bir gazd\u0131r. 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