{"id":801,"date":"2023-07-21T03:54:04","date_gmt":"2023-07-21T03:54:04","guid":{"rendered":"https:\/\/chemuza.org\/tr\/etilbenzen-c8h10\/"},"modified":"2023-07-21T03:54:04","modified_gmt":"2023-07-21T03:54:04","slug":"etilbenzen-c8h10","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/etilbenzen-c8h10\/","title":{"rendered":"Etilbenzen \u2013 c8h10, 100-41-4"},"content":{"rendered":"

Etilbenzen (C8H10) tatl\u0131 kokulu organik bir bile\u015fiktir. Plastik ve kau\u00e7uk ba\u015fta olmak \u00fczere \u00e7e\u015fitli end\u00fcstrilerde solvent olarak kullan\u0131l\u0131r. Ayr\u0131ca benzinde de bulunur ve baz\u0131 ev \u00fcr\u00fcnlerinin bile\u015fiminde kullan\u0131l\u0131r.<\/p>\n

\n\n\n\n\n\n\n\n
IUPAC Ad\u0131<\/td>\n Etilbenzen<\/td>\n<\/tr>\n
Molek\u00fcler form\u00fcl<\/td>\n C8H10<\/td>\n<\/tr>\n
CAS numaras\u0131<\/td>\n 100-41-4<\/td>\n<\/tr>\n
E\u015f anlaml\u0131<\/td>\n Etilbenzol, EB, feniletan, etilfenil, 2-feniletan, alfa-metiltoluen, 1-feniletan, etilbenzen, stiren tiner<\/td>\n<\/tr>\n
InChI<\/td>\n InChI=1S\/C8H10\/c1-2-8-6-4-3-5-7-8\/h3-7H,2H2,1H3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Etilbenzenin \u00f6zellikleri<\/strong><\/h2>\n

Etilbenzen form\u00fcl\u00fc<\/h3>\n

Etilbenzenin molek\u00fcler form\u00fcl\u00fc C8H10’dur, yani sekiz karbon atomu ve on hidrojen atomundan olu\u015fur. Etilbenzenin kimyasal yap\u0131s\u0131, bir etil grubuna ba\u011fl\u0131 bir benzen halkas\u0131na sahiptir.<\/p>\n

Etilbenzen Molar K\u00fctlesi<\/h3>\n

C8H10’un molar k\u00fctlesi 106,17 g\/mol’d\u00fcr. Bu, bir C8H10 molek\u00fcl\u00fcndeki t\u00fcm atomlar\u0131n atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r.<\/p>\n

Etilbenzenin kaynama noktas\u0131<\/h3>\n

C8H10’un kaynama noktas\u0131 136,2\u00b0C’dir (277,2\u00b0F). Bu, C8H10’un s\u0131v\u0131 formunun gaza d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc s\u0131cakl\u0131kt\u0131r. C8H10, di\u011fer aromatik hidrokarbonlarla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda nispeten d\u00fc\u015f\u00fck bir kaynama noktas\u0131na sahiptir ve bu da onu \u00e7e\u015fitli end\u00fcstrilerde solvent olarak faydal\u0131 k\u0131lar.<\/p>\n

Etilbenzen Erime Noktas\u0131<\/h3>\n

C8H10’un erime noktas\u0131 -95,2\u00b0C’dir (-139,4\u00b0F). Bu, C8H10’un kat\u0131 formunun s\u0131v\u0131ya d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc s\u0131cakl\u0131kt\u0131r. C8H10, di\u011fer aromatik hidrokarbonlarla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda nispeten d\u00fc\u015f\u00fck bir erime noktas\u0131na sahiptir ve bu da onu di\u011fer kimyasallar\u0131n \u00fcretiminde hammadde olarak faydal\u0131 k\u0131lar.<\/p>\n

Etilbenzen yo\u011funlu\u011fu g\/mL<\/h3>\n

C8H10’un yo\u011funlu\u011fu 20\u00b0C’de (68\u00b0F) 0,867 g\/mL’dir. Bu, bir mililitre C8H10’un bu s\u0131cakl\u0131kta 0,867 gram a\u011f\u0131rl\u0131\u011f\u0131nda oldu\u011fu anlam\u0131na gelir. C8H10 sudan daha az yo\u011fundur; bu, iki s\u0131v\u0131n\u0131n kar\u0131\u015ft\u0131r\u0131lmas\u0131 durumunda suyun y\u00fczeyinde y\u00fczece\u011fi anlam\u0131na gelir.<\/p>\n

Etilbenzen Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n

C8H10’un molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 106,17 g\/mol’d\u00fcr. Bu, bir C8H10 molek\u00fcl\u00fcn\u00fcn k\u00fctlesidir ve molek\u00fcldeki t\u00fcm atomlar\u0131n atomik k\u00fctleleri toplanarak hesaplanabilir. <\/p>\n

\n
\"Etilbenzen\"<\/figure>\n<\/div>\n

Etilbenzenin yap\u0131s\u0131<\/h3>\n

C8H10’un yap\u0131s\u0131 bir etil grubuna ba\u011fl\u0131 bir benzen halkas\u0131ndan olu\u015fur. Etil grubu benzen halkas\u0131n\u0131n karbon atomlar\u0131ndan birine ba\u011flan\u0131r. Bu yap\u0131ya feniletan da denir.<\/p>\n

Etilbenzenin \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc<\/h3>\n

C8H10 suda \u00e7\u00f6z\u00fcnmez ancak alkoller, eterler ve kloroform gibi organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr. Bu, C8H10’un suda \u00e7\u00f6z\u00fcnmeyece\u011fi, ancak benzer kimyasal \u00f6zelliklere sahip di\u011fer s\u0131v\u0131larda \u00e7\u00f6z\u00fcnece\u011fi anlam\u0131na gelir. C8H10’un \u00e7e\u015fitli \u00e7\u00f6z\u00fcc\u00fcler i\u00e7indeki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc s\u0131cakl\u0131k, bas\u0131n\u00e7 ve \u00e7\u00f6z\u00fcc\u00fcn\u00fcn kimyasal \u00f6zellikleri gibi fakt\u00f6rlere ba\u011fl\u0131d\u0131r.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n Renksiz s\u0131v\u0131<\/td>\n<\/tr>\n
Spesifik yer \u00e7ekimi<\/td>\n 20\u00b0C’de 0,867 g\/ml<\/td>\n<\/tr>\n
Renk<\/td>\n Renksiz<\/td>\n<\/tr>\n
Koku<\/td>\n Tatl\u0131 aroma<\/td>\n<\/tr>\n
Molar k\u00fctle<\/td>\n 106,17 gr\/mol<\/td>\n<\/tr>\n
Yo\u011funluk<\/td>\n 20\u00b0C’de 0,867 g\/ml<\/td>\n<\/tr>\n
F\u00fczyon noktas\u0131<\/td>\n -95,2\u00b0C (-139,4\u00b0F)<\/td>\n<\/tr>\n
Kaynama noktas\u0131<\/td>\n 136,2\u00b0C (277,2\u00b0F)<\/td>\n<\/tr>\n
Fla\u015f noktas\u0131<\/td>\n 11,1\u00b0C (52\u00b0F)<\/td>\n<\/tr>\n
sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n 20\u00b0C’de 0,30 g\/L<\/td>\n<\/tr>\n
\u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n Alkoller, eterler ve kloroform gibi organik \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n
Buhar bas\u0131nc\u0131<\/td>\n 20\u00b0C’de 10,7 mmHg<\/td>\n<\/tr>\n
Buhar yo\u011funlu\u011fu<\/td>\n 3.7<\/td>\n<\/tr>\n
pKa<\/td>\n 10.17<\/td>\n<\/tr>\n
pH<\/td>\n Uygulanamaz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Etilbenzenin g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h2>\n

C8H10, ta\u015f\u0131n\u0131rken ve kullan\u0131l\u0131rken uygun \u00f6nlemler al\u0131nmazsa tehlikeli olabilir. Yan\u0131c\u0131 s\u0131v\u0131 olarak s\u0131n\u0131fland\u0131r\u0131lm\u0131\u015ft\u0131r ve \u0131s\u0131ya veya aleve maruz kald\u0131\u011f\u0131nda tutu\u015fabilir. C8H10, solunmas\u0131 veya yutulmas\u0131 halinde de zararl\u0131 olabilir. Y\u00fcksek konsantrasyonlarda C8H10’a maruz kalmak ba\u015f d\u00f6nmesine, ba\u015f a\u011fr\u0131s\u0131na ve solunum yolu tahri\u015fine neden olabilir. C8H10’a uzun s\u00fcreli maruz kalma, karaci\u011fer ve b\u00f6brek hasar\u0131yla ili\u015fkilendirilmi\u015ftir. C8H10 ile \u00e7al\u0131\u015f\u0131rken koruyucu k\u0131yafet ve eldiven giymek, iyi havaland\u0131r\u0131lan alanlarda \u00e7al\u0131\u015fmak ve g\u00fcvenli, serin ve kuru bir yerde saklamak gibi g\u00fcvenlik \u00f6nlemleri al\u0131nmal\u0131d\u0131r.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Tehlike sembolleri<\/td>\n Yan\u0131c\u0131, zararl\u0131<\/td>\n<\/tr>\n
G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n Is\u0131dan, k\u0131v\u0131lc\u0131mdan, a\u00e7\u0131k alevden ve s\u0131cak y\u00fczeylerden uzak tutun. Patlamaya dayan\u0131kl\u0131 ekipman kullan\u0131n. Tozunu\/duman\u0131n\u0131\/gaz\u0131n\u0131\/sisini\/buhar\u0131n\u0131\/spreyini solumaktan ka\u00e7\u0131n\u0131n. Kulland\u0131ktan sonra iyice y\u0131kay\u0131n.<\/td>\n<\/tr>\n
BM kimlik numaralar\u0131<\/td>\n BM 1175<\/td>\n<\/tr>\n
HS kodu<\/td>\n 2902.90.20<\/td>\n<\/tr>\n
Tehlike s\u0131n\u0131f\u0131<\/td>\n 3 (Yan\u0131c\u0131 s\u0131v\u0131lar)<\/td>\n<\/tr>\n
Paketleme grubu<\/td>\n II (Orta tehlike)<\/td>\n<\/tr>\n
Toksisite<\/td>\n Etilbenzen orta derecede toksik bir madde olarak kabul edilir. Uzun s\u00fcreli veya y\u00fcksek konsantrasyonlarda maruz kal\u0131nmas\u0131 durumunda g\u00f6z ve cilt tahri\u015fine, solunum problemlerine ve sinir sistemi hasar\u0131na neden olabilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Etilbenzen sentezi i\u00e7in y\u00f6ntemler<\/strong><\/h2>\n

C8H10’u sentezlemek i\u00e7in en yayg\u0131n kullan\u0131lan y\u00f6ntem, etilsikloheksan\u0131n katalitik dehidrojenasyonudur. Bu i\u015flem, etilsikloheksan ve hidrojen gaz\u0131 kar\u0131\u015f\u0131m\u0131n\u0131n y\u00fcksek s\u0131cakl\u0131kta bir kataliz\u00f6r \u00fczerinde \u0131s\u0131t\u0131lmas\u0131n\u0131 i\u00e7erir; bu, hidrojen atomlar\u0131n\u0131n etil grubundan ayr\u0131lmas\u0131na neden olarak C8H10 olu\u015fumuna neden olur.<\/p>\n

C8H10’u sentezlemenin ba\u015fka bir y\u00f6ntemi, benzenin<\/a> etilen<\/a> gaz\u0131 ile alkilasyonunu i\u00e7erir. Bu reaksiyon, genellikle al\u00fcminyum klor\u00fcr olan bir kataliz\u00f6r gerektirir ve bir yan \u00fcr\u00fcn olarak C8H10 ve hidrojen klor\u00fcr\u00fcn olu\u015fmas\u0131yla sonu\u00e7lan\u0131r.<\/p>\n

C8H10 \u00fcretimine y\u00f6nelik alternatif bir y\u00f6ntem, benzenin<\/a> etil klor\u00fcr ile al\u00fcminyum klor\u00fcr gibi bir Lewis asidi kataliz\u00f6r\u00fcn\u00fcn varl\u0131\u011f\u0131nda reaksiyonunu i\u00e7erir. Bu i\u015flem, yan \u00fcr\u00fcn olarak C8H10 ve hidrojen klor\u00fcr\u00fcn olu\u015fmas\u0131yla sonu\u00e7lan\u0131r.<\/p>\n

Bahsedilen y\u00f6ntemlerin yan\u0131 s\u0131ra ara\u015ft\u0131rmac\u0131lar, C8H10’u sentezlemek i\u00e7in benzenin<\/a> etilen<\/a> alkilasyonu i\u00e7in \u00e7\u00f6z\u00fcc\u00fc olarak iyonik s\u0131v\u0131lar\u0131n kullan\u0131lmas\u0131 gibi yeni y\u00f6ntemler de geli\u015ftiriyorlar. Bu y\u00f6ntemler verimlilik ve \u00e7evresel s\u00fcrd\u00fcr\u00fclebilirlik a\u00e7\u0131s\u0131ndan fayda sa\u011flama potansiyeline sahiptir. Ancak end\u00fcstriyel kullan\u0131mlar\u0131 hen\u00fcz yayg\u0131n de\u011fildir.<\/p>\n

Etilbenzenin Kullan\u0131m Alanlar\u0131<\/strong><\/h2>\n

C8H10’un \u00e7e\u015fitli end\u00fcstrilerde bir\u00e7ok \u00f6nemli kullan\u0131m\u0131 vard\u0131r. Ba\u015fl\u0131ca kullan\u0131mlar\u0131ndan baz\u0131lar\u0131 \u015funlard\u0131r:<\/p>\n