{"id":704,"date":"2023-07-21T19:01:15","date_gmt":"2023-07-21T19:01:15","guid":{"rendered":"https:\/\/chemuza.org\/tr\/1-buten-c4h8\/"},"modified":"2023-07-21T19:01:15","modified_gmt":"2023-07-21T19:01:15","slug":"1-buten-c4h8","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/1-buten-c4h8\/","title":{"rendered":"1-buten \u2013 c4h8, 106-98-9"},"content":{"rendered":"<p>1-Buten (C4H8), hafif tatl\u0131 bir kokuya sahip, renksiz bir gazd\u0131r. Polietilen \u00fcretiminde ve di\u011fer kimyasallar\u0131n hammaddesi olarak kullan\u0131l\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> Mais-1-\u00e8ne<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C4H8<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 106-98-9<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Butilen, Etilen, Vinilmetilen<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> 1S\/C4H8\/c1-3-4-2\/h3-4H,1-2H3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>1-b\u00fctenin \u00f6zellikleri<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> Form\u00fcl 1-Buten<\/h3>\n<p> 1-Butenin kimyasal form\u00fcl\u00fc, molek\u00fclde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcrlerini temsil eden C4H8&#8217;dir. Form\u00fcl, 1-Butenin d\u00f6rt karbon atomu ve sekiz hidrojen atomu i\u00e7erdi\u011fini g\u00f6sterir. 1-Buten form\u00fcl\u00fc, molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131n\u0131 belirlemek ve kimyasal reaksiyonlardaki reaktivitesini hesaplamak i\u00e7in kullan\u0131\u015fl\u0131d\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> 1-Buten Molar K\u00fctlesi<\/h3>\n<p> But-1-ene olarak da bilinen 1-Buten&#8217;in molar k\u00fctlesi 56,11 g\/mol&#8217;d\u00fcr. Molar k\u00fctle, bir maddenin bir mol\u00fcn\u00fcn k\u00fctlesini ifade eder ve bir molek\u00fcldeki her atomun atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r. But-1-en durumunda molek\u00fcl, her biri kendi atom k\u00fctlesine sahip d\u00f6rt karbon atomu ve sekiz hidrojen atomu i\u00e7erir.<\/p>\n<h3 class=\"wp-block-heading\"> 1-b\u00fctenin kaynama noktas\u0131<\/h3>\n<p> But-1-ene&#8217;nin kaynama noktas\u0131 -6,3\u00b0C veya 20,7\u00b0F&#8217;dir. Kaynama noktas\u0131, bir s\u0131v\u0131n\u0131n sabit bas\u0131n\u00e7ta gaza d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc s\u0131cakl\u0131\u011f\u0131 ifade eder. But-1-ene oda s\u0131cakl\u0131\u011f\u0131nda bir gaz oldu\u011fundan, gaz halindeki durumunu korumak i\u00e7in d\u00fc\u015f\u00fck bir kaynama noktas\u0131na ihtiya\u00e7 duyar. But-1-ene&#8217;nin kaynama noktas\u0131, bas\u0131n\u00e7 ve di\u011fer kimyasallar\u0131n varl\u0131\u011f\u0131 gibi fakt\u00f6rlerden etkilenir.<\/p>\n<h3 class=\"wp-block-heading\"> 1-Buten Erime Noktas\u0131<\/h3>\n<p> But-1-ene&#8217;nin erime noktas\u0131 -185,4\u00b0C veya -301,7\u00b0F&#8217;dir. Erime noktas\u0131, bir kat\u0131n\u0131n sabit bas\u0131n\u00e7ta s\u0131v\u0131ya d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc s\u0131cakl\u0131\u011f\u0131 ifade eder. But-1-ene oda s\u0131cakl\u0131\u011f\u0131nda gaz oldu\u011fundan kat\u0131 halde mevcut de\u011fildir. Ancak but-1-enin erime noktas\u0131, fiziksel ve kimyasal \u00f6zelliklerinin belirlenmesinde yararl\u0131 bir parametre olmaya devam etmektedir.<\/p>\n<h3 class=\"wp-block-heading\"> 1-Buten yo\u011funlu\u011fu g\/mL<\/h3>\n<p> But-1-ene oda s\u0131cakl\u0131\u011f\u0131nda 0,573 g\/mL yo\u011funlu\u011fa sahiptir. Yo\u011funluk, bir maddenin birim hacmi ba\u015f\u0131na k\u00fctle miktar\u0131n\u0131 ifade eder. But-1-ene&#8217;nin yo\u011funlu\u011fu, 1 g\/mL yo\u011funlu\u011fa sahip olan suyunkinden daha d\u00fc\u015f\u00fckt\u00fcr, bu da but-1-enin sudan daha az yo\u011fun oldu\u011funu g\u00f6sterir. But-1-ene&#8217;nin yo\u011funlu\u011fu s\u0131cakl\u0131k ve bas\u0131n\u00e7 gibi fakt\u00f6rlerden etkilenir.<\/p>\n<h3 class=\"wp-block-heading\"> 1-Buten Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n<p> But-1-ene&#8217;nin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 56,11 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. But-1-ene&#8217;nin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131, fiziksel ve kimyasal \u00f6zelliklerinin yan\u0131 s\u0131ra kimyasal reaksiyonlardaki davran\u0131\u015f\u0131n\u0131 belirlemede \u00f6nemli bir fakt\u00f6rd\u00fcr. <\/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\/1-butene.jpg\" alt=\"1-Buten\" width=\"193\" height=\"117\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\"> 1-buten yap\u0131s\u0131<\/h3>\n<p> But-1-ene, d\u00fcz bir zincirde birbirine ba\u011fl\u0131 d\u00f6rt karbon atomu ve her karbon atomu iki hidrojen atomuna ba\u011fl\u0131 olan do\u011frusal bir yap\u0131ya sahiptir. But-1-ene&#8217;nin molek\u00fcler form\u00fcl\u00fc C4H8&#8217;dir ve alkenler ad\u0131 verilen hidrokarbonlar grubuna aittir. Molek\u00fcl\u00fcn birinci ve ikinci karbon atomlar\u0131 aras\u0131ndaki \u00e7ift ba\u011f, kimyasal reaksiyonlardaki reaktivitesinden sorumludur.<\/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> 0,573<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksiz<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Hafif tatl\u0131 bir koku<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 56,11 g\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> Oda s\u0131cakl\u0131\u011f\u0131nda 0,573 g\/mL<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> -185,4\u00b0C veya -301,7\u00b0F<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> -6,3\u00b0C veya 20,7\u00b0F<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> -70\u00b0C (-94\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> \u00c7\u00f6z\u00fcnmez<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> 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 278,4 kPa<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 2,98 (hava = 1)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> 45.1<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> Do\u011fal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>1-Butenin g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h2>\n<p> But-1-ene yan\u0131c\u0131 bir gazd\u0131r ve havayla patlay\u0131c\u0131 kar\u0131\u015f\u0131mlar olu\u015fturabilir. Ayr\u0131ca g\u00f6zleri, cildi ve solunum sistemini tahri\u015f edicidir. Y\u00fcksek konsantrasyonlarda but-1-ene maruz kalmak ba\u015f d\u00f6nmesine, mide bulant\u0131s\u0131na ve ba\u015f a\u011fr\u0131s\u0131na neden olabilir. Bu nedenle but-1-ene ile \u00e7al\u0131\u015f\u0131rken uygun havaland\u0131rma ve koruyucu ekipman kullan\u0131lmal\u0131d\u0131r. But-1-ene&#8217;nin tutu\u015fma kaynaklar\u0131ndan ve uyumsuz malzemelerden uzakta saklanmas\u0131 ve ta\u015f\u0131nmas\u0131 \u00f6nemlidir. S\u0131z\u0131nt\u0131 veya d\u00f6k\u00fclme durumunda alan derhal bo\u015falt\u0131lmal\u0131 ve acil m\u00fcdahale prosed\u00fcrleri izlenmelidir. Ayr\u0131ca \u00e7evre kirlili\u011fini \u00f6nlemek i\u00e7in uygun imha y\u00f6ntemleri kullan\u0131lmal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> F+ (son derece yan\u0131c\u0131)<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Ate\u015fleme kaynaklar\u0131ndan uzak tutun. Yaln\u0131zca iyi havaland\u0131r\u0131lm\u0131\u015f alanlarda kullan\u0131n. Koruyucu ekipman giyin.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> BM 1012<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 290110<\/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> Grup II<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> Y\u00fcksek konsantrasyonlar\u0131n solunmas\u0131 merkezi sinir sistemi depresyonuna neden olabilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>1-buten sentezi i\u00e7in y\u00f6ntemler<\/strong><\/h2>\n<p> Ham petrol fraksiyonlar\u0131n\u0131n katalitik par\u00e7alanmas\u0131 veya b\u00fctanol\u00fcn dehidrasyonu dahil olmak \u00fczere \u00e7e\u015fitli y\u00f6ntemler but-1-ene&#8217;yi sentezleyebilir.<\/p>\n<p> Yayg\u0131n bir y\u00f6ntem, b\u00fcten-1 olu\u015fturmak \u00fczere b\u00fctenlerden hidrojen atomlar\u0131n\u0131n \u00e7\u0131kar\u0131lmas\u0131n\u0131 i\u00e7eren b\u00fctenlerin katalitik dehidrojenasyonudur. Krom-al\u00fcmina, bak\u0131r kromit veya platin gibi farkl\u0131 kataliz\u00f6rler bu i\u015flemi ger\u00e7ekle\u015ftirebilir.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, etilenin se\u00e7ici dimerizasyonunu ve ard\u0131ndan elde edilen b\u00fctenlerin b\u00fcten-1-en olu\u015fturmak \u00fczere dehidrasyonunu i\u00e7erir. ZSM-5 veya SAPO-11 gibi zeolit kataliz\u00f6rleri bu i\u015flemi uygulayabilir.<\/p>\n<p> Bir tungsten-karben kompleksi, but-1-en \u00fcretmek i\u00e7in propilen ve <a href=\"https:\/\/chemuza.org\/tr\/eten\/\">etilen<\/a> aras\u0131ndaki metatez reaksiyonunu katalize edebilir. Bu y\u00f6ntem ilgin\u00e7tir \u00e7\u00fcnk\u00fc biyolojik k\u00f6kenli etilen gibi yenilenebilir kaynaklardan but-1-ene \u00fcretilmesini m\u00fcmk\u00fcn k\u0131lar.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>1-butenin kullan\u0131mlar\u0131<\/strong><\/h2>\n<p> But-1-ene, \u00e7ok \u00e7e\u015fitli end\u00fcstriyel ve ticari uygulamalara sahip \u00e7ok y\u00f6nl\u00fc bir kimyasal bile\u015fiktir. But-1-ene&#8217;nin baz\u0131 yayg\u0131n kullan\u0131mlar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li> Polietilen \u00fcretimi: Y\u00fcksek yo\u011funluklu ve do\u011frusal d\u00fc\u015f\u00fck yo\u011funluklu polietilen \u00fcretiminde komonomer olarak kullan\u0131l\u0131r. 1-Buten ilavesi, polimerin mekanik ve termal \u00f6zelliklerinin iyile\u015ftirilmesine yard\u0131mc\u0131 olur.<\/li>\n<li> Kimyasal Ara Maddeler: B\u00fctadien, butenler, butiraldehit ve butanol gibi \u00e7e\u015fitli kimyasallar\u0131n \u00fcretiminde kimyasal ara madde olarak kullan\u0131l\u0131r.<\/li>\n<li> Yak\u0131t ve Yak\u0131t Katk\u0131lar\u0131: Y\u00fcksek oktan say\u0131s\u0131 ve temiz yanma \u00f6zelli\u011finden dolay\u0131 yak\u0131t veya yak\u0131t katk\u0131s\u0131 olarak kullan\u0131l\u0131r.<\/li>\n<li> So\u011futucu ak\u0131\u015fkanlar: D\u00fc\u015f\u00fck kaynama noktas\u0131 ve yan\u0131c\u0131 olmayan yap\u0131s\u0131 nedeniyle so\u011futucu ak\u0131\u015fkan olarak kullan\u0131l\u0131r.<\/li>\n<li> Yap\u0131\u015ft\u0131r\u0131c\u0131lar: S\u0131cakta eriyen yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131n \u00fcretiminde kullan\u0131l\u0131r. Bunlar genellikle ambalaj end\u00fcstrisinde kullan\u0131l\u0131r.<\/li>\n<li> Kau\u00e7uk ve plastikler: Sentetik kau\u00e7uk ve polib\u00fcten gibi plastiklerin \u00fcretiminde hammadde olarak kullan\u0131l\u0131r.<\/li>\n<li> Ya\u011flay\u0131c\u0131lar: Ya\u011flay\u0131c\u0131lar\u0131n ya\u011flama ve a\u015f\u0131nma \u00f6nleyici \u00f6zelliklerini geli\u015ftirmek i\u00e7in ya\u011flay\u0131c\u0131 katk\u0131 maddesi olarak kullan\u0131l\u0131r.<\/li>\n<li> \u0130la\u00e7 end\u00fcstrisi: \u00c7e\u015fitli farmas\u00f6tik \u00fcr\u00fcnlerin sentezinde hammadde olarak kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> S: Cis- ve trans-2-butenin TLC ile ayr\u0131lmas\u0131n\u0131 g\u00f6rselle\u015ftirmek neden zor olabilir?<\/h3>\n<p> C: Cis- ve trans-2-butenin TLC ile ayr\u0131lmas\u0131n\u0131 g\u00f6rselle\u015ftirmek zor olabilir \u00e7\u00fcnk\u00fc bu izomerler \u00e7ok benzer fiziksel ve kimyasal \u00f6zelliklere sahiptir. Bu, TLC plakas\u0131nda \u00f6rt\u00fc\u015fen noktalara neden olabilir ve bu da iki izomer aras\u0131nda ayr\u0131m yap\u0131lmas\u0131n\u0131 zorla\u015ft\u0131r\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> S: 5,38 \u00d7 1016 1-b\u00fcten molek\u00fcl\u00fcn\u00fcn a\u011f\u0131rl\u0131\u011f\u0131 5,00 \u03bcg ise 1-b\u00fctenin molar k\u00fctlesi nedir?<\/h3>\n<p> C: But-1-enin molar k\u00fctlesi, verilen molek\u00fcl say\u0131s\u0131 ve numunenin a\u011f\u0131rl\u0131\u011f\u0131 kullan\u0131larak hesaplanabilir. But-1-ene&#8217;nin molar k\u00fctlesi 56,11 g\/mol&#8217;d\u00fcr.<\/p>\n<h3 class=\"wp-block-heading\"> Soru: G\u00f6reviniz 2-bromob\u00fctan\u0131 en y\u00fcksek verimle 1-b\u00fctene d\u00f6n\u00fc\u015ft\u00fcrmek. Hangi reaktifleri kullan\u0131rs\u0131n\u0131z?<\/h3>\n<p> C: 2-bromob\u00fctan\u0131 but-1-ene d\u00f6n\u00fc\u015ft\u00fcrmenin olas\u0131 bir y\u00f6ntemi, dimetil s\u00fclfoksit (DMSO) gibi polar bir aprotik \u00e7\u00f6z\u00fcc\u00fc i\u00e7inde potasyum tert-butoksit (KOtBu) gibi g\u00fc\u00e7l\u00fc bir baz kullanarak bir E2 eliminasyon reaksiyonu ger\u00e7ekle\u015ftirmektir. ). alt\u0131n tetrahidrofuran (THF).<\/p>\n<h3 class=\"wp-block-heading\"> S: 1-buten nas\u0131l yap\u0131l\u0131r?<\/h3>\n<p> C: But-1-en, b\u00fctenlerin katalitik dehidrojenasyonu, etilenin se\u00e7ici dimerizasyonu ve ard\u0131ndan dehidrasyon veya propilen ile etilen aras\u0131ndaki metatez reaksiyonu gibi \u00e7e\u015fitli y\u00f6ntemlerle \u00fcretilebilir. Bu y\u00f6ntemler farkl\u0131 kataliz\u00f6rler ve reaksiyon ko\u015fullar\u0131 i\u00e7erir ve nihai \u00fcr\u00fcn\u00fcn y\u00fcksek verimini ve safl\u0131\u011f\u0131n\u0131 sa\u011flamak i\u00e7in \u00f6zel dikkat g\u00f6sterilmelidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1-Buten (C4H8), hafif tatl\u0131 bir kokuya sahip, renksiz bir gazd\u0131r. Polietilen \u00fcretiminde ve di\u011fer kimyasallar\u0131n hammaddesi olarak kullan\u0131l\u0131r. IUPAC Ad\u0131 Mais-1-\u00e8ne Molek\u00fcler form\u00fcl C4H8 CAS numaras\u0131 106-98-9 E\u015f anlaml\u0131 Butilen, Etilen, Vinilmetilen InChI 1S\/C4H8\/c1-3-4-2\/h3-4H,1-2H3 1-b\u00fctenin \u00f6zellikleri Form\u00fcl 1-Buten 1-Butenin kimyasal form\u00fcl\u00fc, molek\u00fclde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcrlerini temsil eden C4H8&#8217;dir. Form\u00fcl, 1-Butenin d\u00f6rt karbon atomu &#8230; <a title=\"1-buten \u2013 c4h8, 106-98-9\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/1-buten-c4h8\/\" aria-label=\"More on 1-buten \u2013 c4h8, 106-98-9\">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>1-Buten - C4H8, 106-98-9<\/title>\n<meta name=\"description\" content=\"1-Buten (C4H8), hafif tatl\u0131 bir kokuya sahip, renksiz bir gazd\u0131r. 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