{"id":798,"date":"2023-07-21T04:24:28","date_gmt":"2023-07-21T04:24:28","guid":{"rendered":"https:\/\/chemuza.org\/tr\/tetrahidrofuran-thf-c4h8o\/"},"modified":"2023-07-21T04:24:28","modified_gmt":"2023-07-21T04:24:28","slug":"tetrahidrofuran-thf-c4h8o","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/tetrahidrofuran-thf-c4h8o\/","title":{"rendered":"Tetrahidrofuran (thf) \u2013 c4h8o, 109-99-9"},"content":{"rendered":"<p>Tetrahidrofuran (THF) renksiz bir organik bile\u015fiktir. \u00c7ok \u00e7e\u015fitli maddeleri \u00e7\u00f6zme yetene\u011finden dolay\u0131 \u00e7e\u015fitli end\u00fcstrilerde solvent olarak yayg\u0131n 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> oksolan<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> C4H8O<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 109-99-9<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> THF, oksasiklopentan, butilen oksit, dietilen oksit, siklotetrametilen oksit<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C4H8O\/c1-2-4-5-3-1\/h1-4H2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Tetrahidrofuran\u0131n \u00f6zellikleri<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran Form\u00fcl\u00fc<\/h3>\n<p> Tetrahidrofuran (THF), C4H8O kimyasal form\u00fcl\u00fcne sahiptir. D\u00f6rt karbon atomu ve bir oksijen atomu i\u00e7eren be\u015f \u00fcyeli bir halkaya sahip siklik bir eterdir. THF&#8217;nin kaynama noktas\u0131 d\u00fc\u015f\u00fckt\u00fcr ve \u00e7e\u015fitli end\u00fcstrilerde yayg\u0131n olarak solvent olarak kullan\u0131l\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran Molar K\u00fctlesi<\/h3>\n<p> THF&#8217;nin molar k\u00fctlesi yakla\u015f\u0131k 72,11 g\/mol&#8217;d\u00fcr. Bu de\u011fer, molek\u00fcl form\u00fcl\u00fcn\u00fc olu\u015fturan atomlar\u0131n atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r. THF&#8217;nin nispeten d\u00fc\u015f\u00fck molar k\u00fctlesi, d\u00fc\u015f\u00fck kaynama noktas\u0131na ve d\u00fc\u015f\u00fck u\u00e7uculu\u011funa katk\u0131da bulunur ve bu da onu \u00e7ok \u00e7e\u015fitli organik bile\u015fikler i\u00e7in etkili bir \u00e7\u00f6z\u00fcc\u00fc yapar.<\/p>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran\u0131n kaynama noktas\u0131<\/h3>\n<p> THF&#8217;nin kaynama noktas\u0131 standart atmosfer bas\u0131nc\u0131nda 66\u00b0C&#8217;dir (151\u00b0F). THF&#8217;nin d\u00fc\u015f\u00fck kaynama noktas\u0131, onu Grignard reaksiyonlar\u0131 gibi y\u00fcksek s\u0131cakl\u0131k gerektiren kimyasal reaksiyonlar i\u00e7in bir \u00e7\u00f6z\u00fcc\u00fc olarak faydal\u0131 k\u0131lar. Bununla birlikte, d\u00fc\u015f\u00fck kaynama noktas\u0131 ayn\u0131 zamanda THF&#8217;nin \u00e7ok u\u00e7ucu oldu\u011fu anlam\u0131na da gelir, bu nedenle onu kullan\u0131rken dikkatli olunmal\u0131d\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran Erime noktas\u0131<\/h3>\n<p> THF&#8217;nin erime noktas\u0131 yakla\u015f\u0131k -108,5\u00b0C&#8217;dir (-163,3\u00b0F). THF oda s\u0131cakl\u0131\u011f\u0131nda s\u0131v\u0131d\u0131r ancak d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda kat\u0131la\u015fabilir. THF&#8217;nin d\u00fc\u015f\u00fck erime noktas\u0131, onu d\u00fc\u015f\u00fck s\u0131cakl\u0131k uygulamalar\u0131 i\u00e7in kriyojenik bir solvent olarak faydal\u0131 k\u0131lar.<\/p>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran yo\u011funlu\u011fu g\/mL<\/h3>\n<p> THF&#8217;nin yo\u011funlu\u011fu 20\u00b0C&#8217;de (68\u00b0F) yakla\u015f\u0131k 0,889 g\/mL&#8217;dir. Bu de\u011fer di\u011fer yayg\u0131n solventlerle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda nispeten d\u00fc\u015f\u00fckt\u00fcr. THF&#8217;nin d\u00fc\u015f\u00fck yo\u011funlu\u011fu, onu yo\u011funlu\u011fa duyarl\u0131 reaksiyonlar i\u00e7in bir \u00e7\u00f6z\u00fcc\u00fc olarak faydal\u0131 k\u0131lar \u00e7\u00fcnk\u00fc reaksiyon kar\u0131\u015f\u0131m\u0131n\u0131n genel yo\u011funlu\u011funu azaltabilir.<\/p>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n<p> THF&#8217;nin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 yakla\u015f\u0131k 72,11 g\/mol&#8217;d\u00fcr. Bu de\u011fer, molek\u00fcl form\u00fcl\u00fcn\u00fc olu\u015fturan atomlar\u0131n atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r. THF&#8217;nin nispeten d\u00fc\u015f\u00fck molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131, d\u00fc\u015f\u00fck kaynama noktas\u0131na ve u\u00e7uculu\u011funa katk\u0131da bulunur. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large\"><img decoding=\"async\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/THF.jpg\" alt=\"Tetrahidrofuran\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran\u0131n yap\u0131s\u0131<\/h3>\n<p> THF, d\u00f6rt karbon atomu ve bir oksijen atomundan olu\u015fan be\u015f \u00fcyeli bir halka yap\u0131s\u0131na sahiptir. Karbon atomlar\u0131, her bir karbon atomunun di\u011fer iki karbon atomuna ve bir hidrojen atomuna ba\u011fl\u0131 oldu\u011fu tetrahedral bir geometride d\u00fczenlenmi\u015ftir. Oksijen atomu bir karbon atomuna ve bir hidrojen atomuna ba\u011flan\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> Tetrahidrofuran\u0131n \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc<\/h3>\n<p> THF, \u00e7ok \u00e7e\u015fitli organik bile\u015fikleri \u00e7\u00f6zebilen polar aprotik bir \u00e7\u00f6z\u00fcc\u00fcd\u00fcr. THF suyla kar\u0131\u015fabilir ve \u00e7e\u015fitli kimyasal reaksiyonlarda yayg\u0131n olarak yard\u0131mc\u0131 solvent olarak kullan\u0131l\u0131r. Ancak THF baz\u0131 malzemelerle uyumlu olmayabilir, bu nedenle kullanmadan \u00f6nce uyumlulu\u011funun kontrol edilmesi \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 s\u0131v\u0131<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yo\u011funluk<\/td>\n<td> 0,889<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksiz<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> eter kokusu<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 72,11 g\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 0,889 gr\/ml<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> \u2212108,5\u00b0C (\u2212163,3\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> 66\u00b0C (151\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> \u221214\u00b0C (7\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> kar\u0131\u015fabilir<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Etanol, eter, aseton, benzende \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> 20\u00b0C&#8217;de 200 mmHg<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 2,5 (hava = 1)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> 25.3<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> N\u00f6tr (7)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Tetrahidrofuran\u0131n g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h2>\n<p> Tetrahidrofuran (THF) \u00e7e\u015fitli g\u00fcvenlik ve sa\u011fl\u0131k riskleri olu\u015fturur. THF son derece yan\u0131c\u0131d\u0131r ve oda s\u0131cakl\u0131\u011f\u0131nda tutu\u015fabilir. Ayr\u0131ca \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda veya yand\u0131\u011f\u0131nda zehirli dumanlar a\u00e7\u0131\u011fa \u00e7\u0131karabilir. THF&#8217;ye maruz kalmak cilt ve g\u00f6z tahri\u015fine neden olabilir ve uzun s\u00fcreli maruz kalma karaci\u011fer ve b\u00f6brek hasar\u0131na yol a\u00e7abilir. THF&#8217;nin ba\u015f d\u00f6nmesine ve ba\u015f a\u011fr\u0131s\u0131na neden oldu\u011fu da bilinmektedir ve tekrar tekrar solunmas\u0131 solunum sorunlar\u0131na yol a\u00e7abilir. THF ile \u00e7al\u0131\u015f\u0131rken dikkatli olunmal\u0131 ve eldiven, koruyucu g\u00f6zl\u00fck gibi koruyucu ekipmanlar kullan\u0131lmal\u0131d\u0131r. THF serin, iyi havaland\u0131r\u0131lan bir alanda, \u0131s\u0131 kaynaklar\u0131ndan ve uyumsuz malzemelerden uzakta saklanmal\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, Zehirli<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Son derece yan\u0131c\u0131 s\u0131v\u0131 ve buhar. Ciddi g\u00f6z tahri\u015fine neden olur. Uyu\u015fukluk veya ba\u015f d\u00f6nmesine neden olabilir. Yutulmas\u0131 veya solunmas\u0131 halinde zararl\u0131 olabilir.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> UN2056<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 29321100<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 3 (Yan\u0131c\u0131 s\u0131v\u0131lar)<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> II<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> LD50 (oral, s\u0131\u00e7an) \u2013 5.410 mg\/kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Tetrahidrofuran sentezi i\u00e7in y\u00f6ntemler<\/strong><\/h2>\n<p> Tetrahidrofuran\u0131n (THF) sentezlenmesi i\u00e7in \u00e7e\u015fitli y\u00f6ntemler kullan\u0131labilir.<\/p>\n<p> Yayg\u0131n bir y\u00f6ntem furan\u0131n katalitik hidrojenasyonunu i\u00e7erir. Bu, hidrojen gaz\u0131n\u0131n varl\u0131\u011f\u0131nda furan buhar\u0131n\u0131n bir nikel veya paladyum kataliz\u00f6r\u00fc \u00fczerinden ge\u00e7irilmesini i\u00e7erir. Ortaya \u00e7\u0131kan reaksiyon, yan \u00fcr\u00fcnler olarak THF ve su \u00fcretir.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, <a href=\"https:\/\/chemuza.org\/tr\/butilen-glikol-c4h10o2\/\">1,4-b\u00fctandiol\u00fcn<\/a> <a href=\"https:\/\/chemuza.org\/tr\/sulfurik-asit-vitriol-yagi-h2so4\/\">s\u00fclf\u00fcrik asitle<\/a> reaksiyonunu ve ard\u0131ndan THF&#8217;yi \u00fcretmek i\u00e7in dam\u0131tmay\u0131 i\u00e7erir. Konsantre s\u00fclf\u00fcrik asidin tehlikeleri bu y\u00f6ntemin daha az yayg\u0131n olmas\u0131n\u0131 sa\u011flar.<\/p>\n<p> 1,4-b\u00fctandiol\u00fcn asit katalizli dehidrasyonu, THF&#8217;yi sentezlemenin ba\u015fka bir yoludur. Bu y\u00f6ntem, suyu uzakla\u015ft\u0131rmak ve THF \u00fcretmek i\u00e7in 1,4-b\u00fctandiol\u00fcn <a href=\"https:\/\/chemuza.org\/tr\/sulfurik-asit-vitriol-yagi-h2so4\/\">s\u00fclf\u00fcrik asit<\/a> gibi g\u00fc\u00e7l\u00fc bir asitle \u0131s\u0131t\u0131lmas\u0131n\u0131 i\u00e7erir.<\/p>\n<p> Ek olarak THF, sel\u00fclozun veya di\u011fer biyok\u00fctleden t\u00fcretilmi\u015f \u015fekerlerin katalitik hidrojenolizi yoluyla da elde edilebilir. Bu y\u00f6ntem, THF \u00fcretiminin yenilenebilir kaynaklar\u0131n\u0131n potansiyeli nedeniyle giderek artan bir ilgi g\u00f6rmektedir.<\/p>\n<p> Her y\u00f6ntemin avantajlar\u0131 ve dezavantajlar\u0131 vard\u0131r ve se\u00e7ilen \u00f6zel y\u00f6ntem maliyet, ham maddelerin bulunabilirli\u011fi ve nihai \u00fcr\u00fcn\u00fcn istenen safl\u0131\u011f\u0131 gibi fakt\u00f6rlere ba\u011fl\u0131 olacakt\u0131r.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>Tetrahidrofuran\u0131n kullan\u0131mlar\u0131<\/strong><\/h2>\n<p> Tetrahidrofuran (THF), a\u015fa\u011f\u0131dakiler de dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstriyel ve laboratuvar uygulamalar\u0131na sahiptir:<\/p>\n<ul>\n<li> \u00c7\u00f6z\u00fcc\u00fc: Y\u00fcksek \u00e7\u00f6z\u00fcc\u00fc g\u00fcc\u00fc ve d\u00fc\u015f\u00fck kaynama noktas\u0131 nedeniyle \u00e7e\u015fitli organik bile\u015fikler i\u00e7in genellikle \u00e7\u00f6z\u00fcc\u00fc olarak kullan\u0131l\u0131r.<\/li>\n<li> Polimerizasyon: Polistiren ve polivinil klor\u00fcr\u00fcn polimerizasyonunda ve ayr\u0131ca poli\u00fcretan k\u00f6p\u00fck \u00fcretiminde yard\u0131mc\u0131 solvent olarak kullan\u0131l\u0131r.<\/li>\n<li> Kimyasal sentez: Grignard reaktiflerinin haz\u0131rlanmas\u0131nda oldu\u011fu gibi organik kimyasal sentezlerde reaksiyon \u00e7\u00f6z\u00fcc\u00fcs\u00fc olarak kullan\u0131l\u0131r.<\/li>\n<li> Ekstraksiyon: Alkaloidler ve steroidler gibi \u00e7e\u015fitli do\u011fal \u00fcr\u00fcnler i\u00e7in ekstraksiyon solventi olarak kullan\u0131l\u0131r.<\/li>\n<li> Yap\u0131\u015ft\u0131r\u0131c\u0131lar: Ayakkab\u0131 ve deri imalat\u0131nda kullan\u0131lanlar gibi yap\u0131\u015ft\u0131r\u0131c\u0131 form\u00fclasyonlar\u0131nda bir bile\u015fen olarak kullan\u0131l\u0131r.<\/li>\n<li> Kaplamalar: Kaplama ve vernik \u00fcretiminde, ayr\u0131ca boya ve cila form\u00fclasyonunda kullan\u0131l\u0131r.<\/li>\n<li> Analitik Kimya: Y\u00fcksek performansl\u0131 s\u0131v\u0131 kromatografisi (HPLC) ve gaz kromatografisi (GC) analizlerinde mobil faz solventi olarak kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> S: Tetrahidrofuran a\u015f\u0131r\u0131 HBr ile i\u015flendi\u011finde olu\u015fan ana organik \u00fcr\u00fcn nedir?<\/h3>\n<p> C: THF, fazla HBr ile i\u015flendi\u011finde olu\u015fan ana organik \u00fcr\u00fcn 3-bromo-1,4-dioksand\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> S: Tetrahidrofuran suyla kar\u0131\u015fabilir mi?<\/h3>\n<p> C: Evet, THF suyla kar\u0131\u015fabilir. Polar \u00e7\u00f6z\u00fcc\u00fclerde, \u00f6zellikle de suda y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011fe sahiptir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Tetrahidrofuran kau\u00e7u\u011fa zarar verir mi?<\/h3>\n<p> C: Evet, THF kau\u00e7u\u011fa zarar verebilir. Bu durum kau\u00e7uk malzemelerin \u015fi\u015fmesine, yumu\u015famas\u0131na ve \u00e7atlamas\u0131na neden olabilir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Tetrahidrofuran polar m\u0131 yoksa polar de\u011fil mi?<\/h3>\n<p> C: THF polar bir \u00e7\u00f6z\u00fcc\u00fcd\u00fcr. Halka yap\u0131s\u0131nda bulunan oksijen atomu nedeniyle dipol momentine sahiptir, bu da onu polar bile\u015fikler i\u00e7in iyi bir \u00e7\u00f6z\u00fcc\u00fc yapar.<\/p>\n<h3 class=\"wp-block-heading\"> S: Tetrahidrofuran suda patlayacak m\u0131?<\/h3>\n<p> C: Hay\u0131r, THF suda patlamaz. Ancak uzun s\u00fcre havaya maruz kalmas\u0131 durumunda patlay\u0131c\u0131 bir peroksit olu\u015fturabilir. Peroksit olu\u015fumunu \u00f6nlemek i\u00e7in uygun depolama ve ta\u015f\u0131ma gereklidir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Tetrahidrofuran\u0131n SDS&#8217;si nedir?<\/h3>\n<p> C: THF SDS (G\u00fcvenlik Veri Sayfas\u0131), fiziksel ve kimyasal \u00f6zellikleri, kullan\u0131m ve saklama talimatlar\u0131, sa\u011fl\u0131k ve g\u00fcvenlik \u00f6nlemleri ve acil m\u00fcdahale prosed\u00fcrleri hakk\u0131nda bilgi sa\u011flar. THF ile \u00e7al\u0131\u015f\u0131rken SDS&#8217;de sa\u011flanan bilgilerin g\u00f6zden ge\u00e7irilmesi ve takip edilmesi \u00f6nemlidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tetrahidrofuran (THF) renksiz bir organik bile\u015fiktir. \u00c7ok \u00e7e\u015fitli maddeleri \u00e7\u00f6zme yetene\u011finden dolay\u0131 \u00e7e\u015fitli end\u00fcstrilerde solvent olarak yayg\u0131n olarak kullan\u0131l\u0131r. IUPAC Ad\u0131 oksolan Molek\u00fcler form\u00fcl C4H8O CAS numaras\u0131 109-99-9 E\u015f anlaml\u0131 THF, oksasiklopentan, butilen oksit, dietilen oksit, siklotetrametilen oksit InChI InChI=1S\/C4H8O\/c1-2-4-5-3-1\/h1-4H2 Tetrahidrofuran\u0131n \u00f6zellikleri Tetrahidrofuran Form\u00fcl\u00fc Tetrahidrofuran (THF), C4H8O kimyasal form\u00fcl\u00fcne sahiptir. D\u00f6rt karbon atomu ve bir &#8230; <a title=\"Tetrahidrofuran (thf) \u2013 c4h8o, 109-99-9\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/tetrahidrofuran-thf-c4h8o\/\" aria-label=\"More on Tetrahidrofuran (thf) \u2013 c4h8o, 109-99-9\">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>Tetrahidrofuran (THF) \u2013 C4H8O, 109-99-9<\/title>\n<meta name=\"description\" content=\"Tetrahidrofuran (THF) renksiz bir organik bile\u015fiktir. \u00c7\u00f6z\u00fcc\u00fc \u00f6zelli\u011finden dolay\u0131 \u00e7e\u015fitli end\u00fcstrilerde solvent olarak yayg\u0131n olarak kullan\u0131l\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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