{"id":513,"date":"2023-07-22T21:49:57","date_gmt":"2023-07-22T21:49:57","guid":{"rendered":"https:\/\/chemuza.org\/tr\/c2h4o-etilen-oksit\/"},"modified":"2023-07-22T21:49:57","modified_gmt":"2023-07-22T21:49:57","slug":"c2h4o-etilen-oksit","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/c2h4o-etilen-oksit\/","title":{"rendered":"C2h4o \u2013 etilen oksit, 75-21-8"},"content":{"rendered":"<p>Etilen oksit veya epoksietan (C2H4O), \u00e7e\u015fitli t\u00fcketici \u00fcr\u00fcnlerinin \u00fcretiminde kullan\u0131lan renksiz, yan\u0131c\u0131 bir gazd\u0131r. Ayn\u0131 zamanda g\u00fc\u00e7l\u00fc bir sterilizasyon maddesidir ve insan sa\u011fl\u0131\u011f\u0131na zararl\u0131 olabilir.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> Oksiran<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C2H4O<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 75-21-8<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Dimetilen oksit, epoksietan, oksasiklopropan, 1,2-epoksietan, 2-oksasiklopropan, dihidrooksiren<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C2H4O\/c1-2-4-3-1\/h1-2H2 <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\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\/epoxyethane.jpg\" alt=\"Etilen oksit\" width=\"170\" height=\"127\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h6 class=\"wp-block-heading\"> Epoksietan yap\u0131s\u0131<\/h6>\n<p> Epoksietan\u0131n yap\u0131s\u0131 iki karbon atomu ve bir oksijen atomundan olu\u015fan \u00fc\u00e7 \u00fcyeli bir halkad\u0131r. Karbon atomlar\u0131 tek bir ba\u011fla birle\u015ftirilir ve her karbon atomu ayn\u0131 zamanda bir hidrojen atomuna da ba\u011flan\u0131r. Oksijen atomu, karbon atomlar\u0131ndan birine \u00e7ift ba\u011f ile ba\u011flan\u0131r. Epoksietan\u0131n molek\u00fcler geometrisi trigonal d\u00fczlemseldir.<\/p>\n<p> Epoksietan Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/p>\n<p> Epoksietan\u0131n molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 44,05 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 ve mol ba\u015f\u0131na gram (g\/mol) cinsinden ifade edilir. Bir bile\u015fi\u011fin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131, belirli bir reaksiyon i\u00e7in gerekli olan madde miktar\u0131n\u0131n belirlenmesi gibi bir\u00e7ok kimyasal hesaplamada faydal\u0131d\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen oksidin molar k\u00fctlesi<\/h6>\n<p> Etilen oksidin molar k\u00fctlesi 44,05 g\/mol&#8217;d\u00fcr. Molar k\u00fctle, bir maddenin bir mol\u00fcn\u00fcn k\u00fctlesidir ve mol ba\u015f\u0131na gram (g\/mol) cinsinden ifade edilir. Bir bile\u015fi\u011fin molar k\u00fctlesi, bir maddenin belirli say\u0131daki mol\u00fcn\u00fcn k\u00fctlesinin belirlenmesi veya bir \u00e7\u00f6zeltinin konsantrasyonunun litre ba\u015f\u0131na mol cinsinden hesaplanmas\u0131 gibi bir\u00e7ok kimyasal hesaplamada faydal\u0131d\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> C2H4O&#8217;nun kaynama noktas\u0131<\/h6>\n<p> Etilen oksidin kaynama noktas\u0131 standart atmosferik bas\u0131n\u00e7ta 10,4\u00b0C&#8217;dir (50,7\u00b0F). Etilen oksit, nispeten d\u00fc\u015f\u00fck bir s\u0131cakl\u0131kta kaynayan, u\u00e7ucu ve olduk\u00e7a yan\u0131c\u0131 bir gazd\u0131r. Bu \u00f6zellik onu plastik ve sentetik elyaf \u00fcretimi gibi baz\u0131 end\u00fcstriyel uygulamalarda faydal\u0131 k\u0131lar. Ancak bu ayn\u0131 zamanda etilen oksidin ta\u015f\u0131nmas\u0131n\u0131 ve ta\u015f\u0131nmas\u0131n\u0131 da tehlikeli hale getirir.<\/p>\n<p> Etilen Oksit Erime Noktas\u0131<\/p>\n<p> Etilen oksit oda s\u0131cakl\u0131\u011f\u0131nda bir gazd\u0131r ve erime noktas\u0131 yoktur. D\u00fc\u015f\u00fck s\u0131cakl\u0131klarda ve y\u00fcksek bas\u0131n\u00e7larda s\u0131v\u0131la\u015ft\u0131r\u0131labilir ancak normal ko\u015fullar alt\u0131nda kat\u0131 halde bulunmaz.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen oksit yo\u011funlu\u011fu g\/ml<\/h6>\n<p> Epoksietan\u0131n yo\u011funlu\u011fu 20\u00b0C&#8217;de (68\u00b0F) 0,882 g\/mL&#8217;dir. Yo\u011funluk, bir maddenin birim hacim ba\u015f\u0131na k\u00fctlesidir ve mililitre ba\u015f\u0131na gram (g\/mL) veya metrek\u00fcp ba\u015f\u0131na kilogram (kg\/m\u00b3) cinsinden ifade edilir. Epoksietan\u0131n yo\u011funlu\u011fu sudan d\u00fc\u015f\u00fckt\u00fcr, bu da suyun y\u00fczeyinde y\u00fczece\u011fi anlam\u0131na gelir.<\/p>\n<h6 class=\"wp-block-heading\"> Epoksietan form\u00fcl\u00fc<\/h6>\n<p> Epoksietan\u0131n kimyasal form\u00fcl\u00fc C2H4O&#8217;dur. Form\u00fcl, bile\u015fi\u011fin bir molek\u00fcl\u00fcnde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcr\u00fcn\u00fc g\u00f6sterir. Epoksietanda iki karbon atomu, d\u00f6rt hidrojen atomu ve bir oksijen atomu vard\u0131r. Etilen oksit form\u00fcl\u00fc, kimyasal denklemlerin dengelenmesi ve bile\u015fi\u011fin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131n\u0131n belirlenmesi gibi bir\u00e7ok kimyasal hesaplamada \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> Renksiz gaz<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yer \u00e7ekimi<\/td>\n<td> 0,882 (20\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksiz<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Eter gibi yumu\u015fak<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 44,05 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 20\u00b0C&#8217;de 0,882 g\/mL<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> Yok<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> 10,4\u00b0C (50,7\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> -18\u00b0C (-0,4\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Tamamen \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> \u00c7o\u011fu organik \u00e7\u00f6z\u00fcc\u00fcde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> 1075 mmHg (20\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 1,52 (hava = 1)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> 11.6<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> 7 (n\u00f6tr)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Etilen Oksit G\u00fcvenli\u011fi ve Tehlikeleri<\/strong><\/h5>\n<p> Epoksietan (C2H4O), \u00e7e\u015fitli g\u00fcvenlik ve sa\u011fl\u0131k tehlikeleri olu\u015fturan olduk\u00e7a yan\u0131c\u0131 ve reaktif bir gazd\u0131r. Cilt ve g\u00f6z tahri\u015fine, solunum problemlerine ve n\u00f6rolojik etkilere neden olabilir. C2H4O ayn\u0131 zamanda bilinen bir kanserojendir ve uzun s\u00fcreli maruz kalma kanser riskinin artmas\u0131na neden olabilir. Bu nedenle, C2H4O ile \u00e7al\u0131\u015f\u0131rken veya onunla \u00e7al\u0131\u015f\u0131rken ki\u015fisel koruyucu ekipman giymek, yeterli havaland\u0131rmay\u0131 sa\u011flamak ve g\u00fcvenli depolama ve ta\u015f\u0131ma prosed\u00fcrlerini takip etmek de dahil olmak \u00fczere uygun \u00f6nlemler al\u0131nmal\u0131d\u0131r. Maruz kal\u0131nmas\u0131 halinde derhal t\u0131bbi yard\u0131ma ba\u015fvurulmal\u0131 ve semptomlar\u0131n \u015fiddetine g\u00f6re ilk yard\u0131m uygulanmal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> Kafatas\u0131 ve Kemiklerin, Alev<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Son derece yan\u0131c\u0131, Toksik, Kanserojen, A\u015f\u0131nd\u0131r\u0131c\u0131<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> BM 1040<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 2909.11.00<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 2.3 (Yan\u0131c\u0131 gaz)<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> BEN<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> \u00c7ok toksik ve kanserojen<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"> <strong>Etilen oksit sentezi i\u00e7in y\u00f6ntemler<\/strong><\/h5>\n<p> Etilen oksit \u00e7e\u015fitli y\u00f6ntemlerle sentezlenebilir. En yayg\u0131n y\u00f6ntemlerden biri etilenin hava veya oksijenle katalitik oksidasyonunu i\u00e7erir. Bu i\u015flemde etilen, y\u00fcksek s\u0131cakl\u0131klarda (200-300\u00b0C) ve bas\u0131n\u00e7larda (1-2 atm) g\u00fcm\u00fc\u015f veya alt\u0131n bir kataliz\u00f6r \u00fczerinden ge\u00e7irilir. Reaksiyon yan \u00fcr\u00fcnler olarak etilen oksit ve su \u00fcretir.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, etilenin klor ve su ile reaksiyona girerek etilen klorohidrin olu\u015fturdu\u011fu ve daha sonra etilen oksit ve hidroklorik asit \u00fcretmek \u00fczere hidrolize edildi\u011fi klorohidrin i\u015flemini i\u00e7erir. Bu y\u00f6ntem, klor kullan\u0131m\u0131na ili\u015fkin \u00e7evresel kayg\u0131lar nedeniyle daha az yayg\u0131nd\u0131r.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, organik peroksitler veya peroksi asitler kullan\u0131larak etilenin do\u011frudan epoksidasyonunu i\u00e7erir. Bu y\u00f6ntem y\u00fcksek s\u0131cakl\u0131k ve bas\u0131n\u00e7 gerektirir ve y\u00fcksek derecede reaktif ve patlay\u0131c\u0131 reaktiflerin kullan\u0131m\u0131yla ilgili g\u00fcvenlik endi\u015feleri nedeniyle daha az yayg\u0131nd\u0131r.<\/p>\n<p> Son zamanlarda, etilenin kat\u0131 oksit elektrolitik h\u00fccre kullan\u0131larak elektrokimyasal olarak d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi gibi etilen oksidin sentezlenmesine y\u00f6nelik yeni y\u00f6ntemler geli\u015ftirilmi\u015ftir. Bu y\u00f6ntem hala deney a\u015famas\u0131ndad\u0131r ancak \u00e7evresel etkinin azalt\u0131lmas\u0131 ve etilen oksit \u00fcretiminin verimlili\u011finin art\u0131r\u0131lmas\u0131 konusunda umut vaat etmektedir.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Etilen Oksit Kullan\u0131m Alanlar\u0131<\/strong><\/h5>\n<p> Etilen oksit \u00e7e\u015fitli end\u00fcstriyel ve ticari uygulamalara sahiptir.<\/p>\n<ul>\n<li> C2H4O, \u00e7e\u015fitli end\u00fcstrilerin so\u011futucu ve antifriz olarak kulland\u0131\u011f\u0131 etilen glikol \u00fcretiminde hayati bir rol oynar.<\/li>\n<li> Bile\u015fi\u011fin bakteriler, vir\u00fcsler ve mantarlar da dahil olmak \u00fczere mikroorganizmalara n\u00fcfuz etme ve onlar\u0131 \u00f6ld\u00fcrme yetene\u011fi, onu t\u0131bbi ekipman ve malzemeler i\u00e7in de\u011ferli bir sterilizasyon maddesi haline getiriyor.<\/li>\n<li> C2H4O, y\u00fczey aktif maddeler ve deterjanlar\u0131n \u00fcretiminde em\u00fclsifiye edici maddeler, \u0131slat\u0131c\u0131 maddeler ve da\u011f\u0131t\u0131c\u0131lar olarak g\u00f6rev yapan etoksilatlar\u0131n \u00fcretiminde hammadde g\u00f6revi g\u00f6r\u00fcr.<\/li>\n<li> Bile\u015fik ayr\u0131ca poli\u00fcretan k\u00f6p\u00fcklerin ve plastiklerin \u00fcretiminde ve ayr\u0131ca etanolaminler, glikol eterler ve ya\u011f asidi esterleri gibi \u00e7e\u015fitli kimyasallar\u0131n sentezinde de faydal\u0131d\u0131r.<\/li>\n<li> C2H4O tekstil, yap\u0131\u015ft\u0131r\u0131c\u0131 ve kaplama \u00fcretiminde ve ayr\u0131ca ya\u011flar ve aromalar gibi do\u011fal \u00fcr\u00fcnlerin ekstraksiyonunda uygulama alan\u0131 bulur.<\/li>\n<li> C2H4O, tah\u0131llarda ve di\u011fer g\u0131da \u00fcr\u00fcnlerinde bulunan ha\u015fere ve b\u00f6ceklerin kontrol\u00fcne yard\u0131mc\u0131 olan bir f\u00fcmigantt\u0131r.<\/li>\n<\/ul>\n<p> Genel olarak C2H4O, \u00e7e\u015fitli bile\u015fiklerle reaksiyona girme yetene\u011fi, y\u00fcksek reaktivitesi ve \u00e7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fc nedeniyle geni\u015f bir uygulama alan\u0131na sahiptir. Ancak etilen oksit kullan\u0131m\u0131 g\u00fcvenlik, \u00e7evresel etki ve mevzuat gerekliliklerinin dikkatli bir \u015fekilde de\u011ferlendirilmesini gerektirir ve g\u00fcvenli kullan\u0131m, nakliye ve da\u011f\u0131t\u0131m\u0131n sa\u011flanmas\u0131 i\u00e7in uygun \u00f6nlemlerin al\u0131nmas\u0131 gerekir. bile\u015fi\u011fin kullan\u0131m\u0131.<\/p>\n<h5 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h5>\n<h6 class=\"wp-block-heading\"> Etilen oksit sterilizat\u00f6rleri?<\/h6>\n<p> Etilen oksit sterilizat\u00f6rleri, t\u0131bbi ekipman ve malzemeleri sterilize etmek i\u00e7in etilen oksit gaz\u0131 kullanan cihazlard\u0131r. Bu sterilizat\u00f6rler, ekipman\u0131 veya malzemeleri kapal\u0131 bir oda veya odada etilen oksit gaz\u0131na maruz b\u0131rakarak \u00e7al\u0131\u015f\u0131r. Gaz ambalajlara ve malzemelere n\u00fcfuz ederek mevcut t\u00fcm mikroorganizmalar\u0131 yok eder.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen oksitle sterilizasyon?<\/h6>\n<p> Epoksietan sa\u011fl\u0131k sekt\u00f6r\u00fcnde sterilizasyon i\u00e7in yayg\u0131n olarak kullan\u0131l\u0131r. Ambalajlara ve di\u011fer malzemelere n\u00fcfuz edebilme \u00f6zelli\u011finden dolay\u0131 bakteri, vir\u00fcs ve mantarlar dahil olmak \u00fczere mikroorganizmalar\u0131 \u00f6ld\u00fcrmede \u00f6zellikle etkilidir. Epoksietan sterilizasyonu genellikle otoklavlama veya radyasyon gibi geleneksel sterilizasyon y\u00f6ntemlerine dayanamayan \u0131s\u0131ya duyarl\u0131 t\u0131bbi cihazlar ve malzemeler i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h6 class=\"wp-block-heading\"> Etilen oksit neden tehlikelidir?<\/h6>\n<p> Epoksietan yan\u0131c\u0131l\u0131\u011f\u0131, reaktivitesi ve toksisitesi nedeniyle \u00e7ok tehlikeli bir maddedir. Bilinen bir kanserojendir ve cilt ve g\u00f6z tahri\u015fi, solunum sorunlar\u0131 ve n\u00f6rolojik etkiler dahil olmak \u00fczere \u00e7e\u015fitli sa\u011fl\u0131k etkilerine neden olabilir. Epoksietana uzun s\u00fcre maruz kalmak kanser riskini art\u0131rabilir. Ayr\u0131ca epoksietan son derece yan\u0131c\u0131d\u0131r ve havayla patlay\u0131c\u0131 kar\u0131\u015f\u0131mlar olu\u015fturabilir. Bu nedenle, epoksietanla \u00e7al\u0131\u015f\u0131rken veya epoksietanla \u00e7al\u0131\u015f\u0131rken ki\u015fisel koruyucu ekipman giymek, yeterli havaland\u0131rmay\u0131 sa\u011flamak ve g\u00fcvenli depolama ve ta\u015f\u0131ma prosed\u00fcrlerine uymak dahil uygun \u00f6nlemler al\u0131nmal\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Etilen oksit veya epoksietan (C2H4O), \u00e7e\u015fitli t\u00fcketici \u00fcr\u00fcnlerinin \u00fcretiminde kullan\u0131lan renksiz, yan\u0131c\u0131 bir gazd\u0131r. Ayn\u0131 zamanda g\u00fc\u00e7l\u00fc bir sterilizasyon maddesidir ve insan sa\u011fl\u0131\u011f\u0131na zararl\u0131 olabilir. IUPAC Ad\u0131 Oksiran Molek\u00fcler form\u00fcl C2H4O CAS numaras\u0131 75-21-8 E\u015f anlaml\u0131 Dimetilen oksit, epoksietan, oksasiklopropan, 1,2-epoksietan, 2-oksasiklopropan, dihidrooksiren InChI InChI=1S\/C2H4O\/c1-2-4-3-1\/h1-2H2 Epoksietan yap\u0131s\u0131 Epoksietan\u0131n yap\u0131s\u0131 iki karbon atomu ve bir oksijen &#8230; <a title=\"C2h4o \u2013 etilen oksit, 75-21-8\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/c2h4o-etilen-oksit\/\" aria-label=\"More on C2h4o \u2013 etilen oksit, 75-21-8\">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>C2H4O \u2013 Etilen oksit, 75-21-8<\/title>\n<meta name=\"description\" content=\"Etilen oksit veya 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