{"id":618,"date":"2023-07-22T07:15:19","date_gmt":"2023-07-22T07:15:19","guid":{"rendered":"https:\/\/chemuza.org\/tr\/propilen-glikol-c3h8o2\/"},"modified":"2023-07-22T07:15:19","modified_gmt":"2023-07-22T07:15:19","slug":"propilen-glikol-c3h8o2","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/propilen-glikol-c3h8o2\/","title":{"rendered":"Propilen glikol \u2013 c3h8o2, 57-55-6"},"content":{"rendered":"

Propilen glikol (C3H8O2), g\u0131da, ila\u00e7 ve kozmetik dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstrilerde solvent, nemlendirici ve em\u00fclgat\u00f6r olarak kullan\u0131lan \u00e7ok y\u00f6nl\u00fc bir kimyasal bile\u015fiktir. Ayr\u0131ca antifriz ve defrost \u00e7\u00f6z\u00fcmlerinde de kullan\u0131l\u0131r.<\/p>\n

\n\n\n\n\n\n\n\n
IUPAC Ad\u0131<\/td>\n Propan-1,2-diol<\/td>\n<\/tr>\n
Molek\u00fcler form\u00fcl<\/td>\n C3H8O2<\/td>\n<\/tr>\n
CAS numaras\u0131<\/td>\n 57-55-6<\/td>\n<\/tr>\n
E\u015f anlaml\u0131<\/td>\n 1,2-dihidroksipropan, 1,2-propandiol, metiletilglikol, metiletilenglikol, PG<\/td>\n<\/tr>\n
InChI<\/td>\n InChI=1S\/C3H8O2\/c1-3(5)2-4\/h3-5H,2H2,1H3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Propilen glikol\u00fcn \u00f6zellikleri<\/strong><\/h2>\n

Propilen glikol\u00fcn molar k\u00fctlesi<\/h3>\n

Propilen glikol\u00fcn molar k\u00fctlesi 76,09 g\/mol’d\u00fcr. Hafif tatl\u0131 bir tada sahip, renksiz ve kokusuz bir s\u0131v\u0131d\u0131r. Propilen glikol\u00fcn molar k\u00fctlesi, fiziksel ve kimyasal \u00f6zelliklerinin belirlenmesinde \u00f6nemlidir. G\u0131da, ila\u00e7, kozmetik vb. \u00e7e\u015fitli end\u00fcstrilerde solvent, nemlendirici ve em\u00fclgat\u00f6r olarak yayg\u0131n olarak kullan\u0131l\u0131r.<\/p>\n

Propilen glikol\u00fcn kaynama noktas\u0131<\/h3>\n

1,2-propandiol\u00fcn kaynama noktas\u0131 atmosferik bas\u0131n\u00e7ta 188,2\u00b0C’dir (370,8\u00b0F). Bu s\u0131cakl\u0131k, suyun kaynama noktas\u0131ndan \u00f6nemli \u00f6l\u00e7\u00fcde daha y\u00fcksektir, bu da onu antifriz ve buz \u00e7\u00f6zme \u00e7\u00f6z\u00fcmlerinde yararl\u0131 bir bile\u015fen haline getirir. 1,2-propandiol\u00fcn y\u00fcksek kaynama noktas\u0131, onu g\u00fcne\u015f enerjili su \u0131s\u0131t\u0131c\u0131lar\u0131nda kullan\u0131lanlar gibi \u0131s\u0131 transfer ak\u0131\u015fkanlar\u0131nda da faydal\u0131 k\u0131lar.<\/p>\n

Propilen glikol\u00fcn erime noktas\u0131<\/h3>\n

1,2-propandiol\u00fcn erime noktas\u0131 -60\u00b0C’dir (-76\u00b0F). Bu d\u00fc\u015f\u00fck erime noktas\u0131, polyester re\u00e7ineler gibi belirli polimer t\u00fcrlerinin yap\u0131m\u0131nda faydal\u0131 olmas\u0131n\u0131 sa\u011flar. D\u00fc\u015f\u00fck erime noktas\u0131 ayn\u0131 zamanda onu donma noktas\u0131 d\u00fc\u015f\u00fcr\u00fcc\u00fc olarak da faydal\u0131 k\u0131lar, bu nedenle antifriz ve buz \u00e7\u00f6zme \u00e7\u00f6z\u00fcmlerinde yayg\u0131n olarak kullan\u0131l\u0131r.<\/p>\n

Propilen glikol\u00fcn yo\u011funlu\u011fu g\/ml<\/h3>\n

1,2-propandiol\u00fcn yo\u011funlu\u011fu 25\u00b0C’de (77\u00b0F) 1,036 g\/mL’dir. Bu yo\u011funluk, yo\u011funlu\u011fu 1 g\/mL olan suyunkinden biraz daha y\u00fcksektir. 1,2-propandiol\u00fcn yo\u011funlu\u011fu, antifriz, buz \u00e7\u00f6z\u00fcc\u00fc \u00e7\u00f6zeltiler ve \u0131s\u0131 transfer s\u0131v\u0131lar\u0131 gibi \u00e7\u00f6zeltilerdeki konsantrasyonunun belirlenmesinde \u00f6nemlidir.<\/p>\n

Propilen glikol\u00fcn molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n

1,2-propandiol\u00fcn molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 76,09 g\/mol’d\u00fcr. Bu, onu olu\u015fturan atomlar\u0131n, yani karbon, hidrojen ve oksijenin atom a\u011f\u0131rl\u0131klar\u0131 toplanarak hesaplan\u0131r. Molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131, belirli bir uygulamada ihtiya\u00e7 duyulan 1,2-propandiol miktar\u0131n\u0131n belirlenmesi ve fiziksel ve kimyasal \u00f6zelliklerinin anla\u015f\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n

Propilen glikol\u00fcn yap\u0131s\u0131 <\/h3>\n
\n
\"propilen<\/figure>\n<\/div>\n

Propilen glikol\u00fcn yap\u0131s\u0131, bir propan zincirine ba\u011fl\u0131 iki hidroksil grubundan (-OH) olu\u015fur. Bu ona C3H8O2 kimyasal form\u00fcl\u00fcn\u00fc verir. Propilen glikol\u00fcn yap\u0131s\u0131, sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc ve hidrojen ba\u011flar\u0131 olu\u015fturma yetene\u011fi gibi \u00f6zelliklerinin anla\u015f\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n

Propilen Glikol Form\u00fcl\u00fc<\/h3>\n

1,2-propandiol\u00fcn kimyasal form\u00fcl\u00fc C3H8O2’dir. Bu form\u00fcl, bir 1,2-propandiol molek\u00fcl\u00fcnde bulunan atomlar\u0131n say\u0131s\u0131n\u0131 ve t\u00fcrlerini temsil eder. Form\u00fcl, 1,2-propandiol\u00fcn di\u011fer kimyasallarla reaktivitesi ve \u00e7e\u015fitli t\u00fcrde ba\u011flar olu\u015fturma yetene\u011fi gibi kimyasal \u00f6zelliklerini anlamak i\u00e7in \u00f6nemlidir.<\/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 ve kokusuz s\u0131v\u0131<\/td>\n<\/tr>\n
Spesifik yer \u00e7ekimi<\/td>\n 25\u00b0C’de 1,036<\/td>\n<\/tr>\n
Renk<\/td>\n Renksiz<\/td>\n<\/tr>\n
Koku<\/td>\n Kokusuz<\/td>\n<\/tr>\n
Molar k\u00fctle<\/td>\n 76,09 gr\/mol<\/td>\n<\/tr>\n
Yo\u011funluk<\/td>\n 25\u00b0C’de 1,036 g\/mL<\/td>\n<\/tr>\n
F\u00fczyon noktas\u0131<\/td>\n -60\u00b0C (-76\u00b0F)<\/td>\n<\/tr>\n
Kaynama noktas\u0131<\/td>\n Atmosfer bas\u0131nc\u0131nda 188,2\u00b0C (370,8\u00b0F)<\/td>\n<\/tr>\n
Fla\u015f noktas\u0131<\/td>\n 110\u00b0C (230\u00b0F) kapal\u0131 kap<\/td>\n<\/tr>\n
sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n Suda tamamen \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n
\u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n Etanol, aseton ve kloroformda \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n
Buhar bas\u0131nc\u0131<\/td>\n 25\u00b0C’de 0,0007 mmHg<\/td>\n<\/tr>\n
Buhar yo\u011funlu\u011fu<\/td>\n 2,62 (hava = 1)<\/td>\n<\/tr>\n
pKa<\/td>\n pKa1= 13,5, pKa2= 13,2<\/td>\n<\/tr>\n
pH<\/td>\n N\u00f6tr (pH 7)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Propilen glikol\u00fcn g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h2>\n

Kimyac\u0131lar genellikle 1,2-propandiol\u00fcn g\u0131da, ila\u00e7, kozmetik vb. alanlarda kullan\u0131m\u0131n\u0131n g\u00fcvenli oldu\u011funu d\u00fc\u015f\u00fcnmektedir. Bununla birlikte, y\u00fcksek konsantrasyonlarda 1,2-propandiol buhar\u0131na veya bu\u011fusuna maruz kalmak, solunum yolu tahri\u015fine, \u00f6ks\u00fcr\u00fc\u011fe ve nefes darl\u0131\u011f\u0131na neden olabilir. B\u00fcy\u00fck miktarlarda 1,2-propandiol\u00fcn yutulmas\u0131 mide-ba\u011f\u0131rsak rahats\u0131zl\u0131\u011f\u0131na ve mide bulant\u0131s\u0131na neden olabilir. 1,2-propandiol yan\u0131c\u0131d\u0131r ve havayla patlay\u0131c\u0131 kar\u0131\u015f\u0131mlar olu\u015fturabilir. Ayr\u0131ca hidrojen peroksit gibi oksitleyici maddelerle de reaksiyona girebilir ve tehlikeli bir reaksiyona neden olabilir. Yang\u0131n ve maruz kalma riskini en aza indirmek i\u00e7in uygun ta\u015f\u0131ma ve depolama gereklidir.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Tehlike sembolleri<\/td>\n Belirtilmemi\u015f, ancak yan\u0131c\u0131 ve solunum yollar\u0131n\u0131 tahri\u015f edicidir<\/td>\n<\/tr>\n
G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n P261, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P405<\/td>\n<\/tr>\n
BM kimlik numaralar\u0131<\/td>\n BM 3082<\/td>\n<\/tr>\n
HS kodu<\/td>\n 2905.32.00<\/td>\n<\/tr>\n
Tehlike s\u0131n\u0131f\u0131<\/td>\n 9 (\u00c7e\u015fitli tehlikeli mallar)<\/td>\n<\/tr>\n
Paketleme grubu<\/td>\n III<\/td>\n<\/tr>\n
Toksisite<\/td>\n D\u00fc\u015f\u00fck ila orta<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

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

Kimyac\u0131lar \u00e7e\u015fitli y\u00f6ntemler kullanarak 1,2-propandiol’\u00fc sentezleyebilirler.<\/p>\n

S\u00fclf\u00fcrik asit gibi g\u00fc\u00e7l\u00fc bir asit, propilenin hipoklor\u00f6z asitle klorhidrinasyonundan kaynaklanan propilen oksidin hidrasyonunu katalize eder. 1,2-propandiol \u00fcretmek i\u00e7in propilen okside su eklenmelidir.<\/p>\n

Ba\u015fka bir kimyasal y\u00f6ntem, biyodizel \u00fcretiminin bir yan \u00fcr\u00fcn\u00fc olan gliserol\u00fcn<\/a> hidrojenolizini i\u00e7erir. 1,2-propandiol olu\u015fturmak i\u00e7in \u00f6nce gliserol\u00fc 1,2-propandiol’e d\u00f6n\u00fc\u015ft\u00fcr\u00fcn, ard\u0131ndan 1,2-propandiol’\u00fc hidrojenleyin.<\/p>\n

1,2-propandiol \u00fcretmenin biyolojik y\u00f6ntemleri aras\u0131nda \u015fekerlerin veya karbonhidratlar\u0131n bakteri veya maya gibi belirli mikroorganizmalar taraf\u0131ndan fermentasyonu yer al\u0131r. Bu mikroorganizmalar glikoz, fruktoz ve s\u00fckroz dahil olmak \u00fczere \u00e7e\u015fitli karbon kaynaklar\u0131ndan 1,2-propandiol \u00fcretebilir.<\/p>\n

Ba\u015fka bir biyolojik y\u00f6ntem, m\u0131s\u0131r ni\u015fastas\u0131 veya sel\u00fcloz gibi yenilenebilir kaynaklar\u0131 1,2-propandiole d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in enzimlerin kullan\u0131lmas\u0131n\u0131 i\u00e7erir. Bu s\u00fcre\u00e7, kimyasal y\u00f6ntemlere g\u00f6re daha \u00e7evre dostudur ve 1,2-propandiol \u00fcretmenin daha s\u00fcrd\u00fcr\u00fclebilir bir yolunu sa\u011flayabilir.<\/p>\n

Propilen Glikol\u00fcn Kullan\u0131m Alanlar\u0131<\/strong><\/h2>\n

Propilen glikol, \u00e7e\u015fitli end\u00fcstrilerde geni\u015f bir kullan\u0131m alan\u0131na sahip \u00e7ok y\u00f6nl\u00fc bir bile\u015fiktir. Yayg\u0131n uygulamalar\u0131ndan baz\u0131lar\u0131 \u015funlard\u0131r:<\/p>\n

    \n
  1. Yiyecek ve i\u00e7ecek end\u00fcstrisi: Yiyecek ve i\u00e7eceklerde nemlendirici, \u00e7\u00f6z\u00fcc\u00fc ve koruyucu olarak kullan\u0131l\u0131r.<\/li>\n
  2. \u0130la\u00e7 end\u00fcstrisi: farmas\u00f6tik \u00fcr\u00fcnlerde \u00e7\u00f6z\u00fcc\u00fc ve yard\u0131mc\u0131 madde olarak ve topikal preparatlarda aktif bile\u015fenlerin ta\u015f\u0131nmas\u0131nda ta\u015f\u0131y\u0131c\u0131 olarak kullan\u0131l\u0131r.<\/li>\n
  3. Kozmetik end\u00fcstrisi: Kozmetik, cilt bak\u0131m \u00fcr\u00fcnleri ve sa\u00e7 \u00fcr\u00fcnlerinde nemlendirici, solvent ve viskozite d\u00fczenleyici olarak kullan\u0131l\u0131r.<\/li>\n
  4. Ki\u015fisel Bak\u0131m End\u00fcstrisi: Antibakteriyel \u00f6zelli\u011finden dolay\u0131 deodorantlarda, di\u015f macunlar\u0131nda ve gargaralarda kullan\u0131l\u0131r.<\/li>\n
  5. End\u00fcstriyel Uygulamalar: End\u00fcstriyel proseslerde so\u011futucu ve \u0131s\u0131 transfer s\u0131v\u0131s\u0131 olarak, boya ve kaplamalarda solvent olarak ve hidrolik s\u0131v\u0131lar\u0131n bir bile\u015feni olarak kullan\u0131l\u0131r.<\/li>\n
  6. E-Sigara: E-sigara e-likitlerinin ana bile\u015feni olarak kullan\u0131l\u0131r.<\/li>\n
  7. Hayvan Yemi: Besi ve k\u00fcmes hayvanlar\u0131nda g\u0131dalar\u0131n nem i\u00e7eri\u011fini korumaya ve bozulmay\u0131 \u00f6nlemeye yard\u0131mc\u0131 olmak amac\u0131yla yem takviyesi olarak kullan\u0131l\u0131r.<\/li>\n
  8. Antifriz: Otomobiller, u\u00e7aklar ve u\u00e7ak pistleri i\u00e7in antifriz ve buz \u00e7\u00f6z\u00fcc\u00fc \u00e7\u00f6z\u00fcmlerin bir bile\u015feni olarak kullan\u0131l\u0131r.<\/li>\n<\/ol>\n

    Sorular:<\/strong><\/h2>\n

    S: Propilen glikol nedir?<\/p>\n

    A: 1,2-propandiol, C3H8O2 kimyasal form\u00fcl\u00fcne sahip sentetik bir organik bile\u015fiktir. Yiyecek ve i\u00e7ecek, ila\u00e7, kozmetik ve end\u00fcstriyel uygulamalar dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstrilerde yayg\u0131n olarak solvent, nemlendirici ve koruyucu olarak kullan\u0131lan berrak, renksiz ve kokusuz bir s\u0131v\u0131d\u0131r.<\/p>\n

    S: Propilen glikol sizin i\u00e7in k\u00f6t\u00fc m\u00fc?<\/p>\n

    C: 1,2-Propanediol’\u00fcn t\u00fcketici \u00fcr\u00fcnlerinde kullan\u0131m\u0131, kabul edilebilir seviyelerde kullan\u0131ld\u0131\u011f\u0131nda FDA ve Avrupa G\u0131da G\u00fcvenli\u011fi Otoritesi gibi d\u00fczenleyici kurumlar taraf\u0131ndan g\u00fcvenli kabul edilmektedir. Bununla birlikte, baz\u0131 ki\u015filer 1,2-propandiol’e kar\u015f\u0131 tahri\u015f veya alerjik reaksiyonlar ya\u015fayabilir ve b\u00f6brek veya karaci\u011fer hastal\u0131\u011f\u0131 gibi belirli sa\u011fl\u0131k sorunlar\u0131 olan ki\u015filer taraf\u0131ndan dikkatli kullan\u0131lmal\u0131d\u0131r.<\/p>\n

    S: Propilen glikol yerel olarak nereden sat\u0131n al\u0131n\u0131r?<\/p>\n

    C: 1,2-propandiol, e-sigara veya elektronik sigara i\u00e7in Kendin Yap malzemeleri satan yerel ma\u011fazalar\u0131n yan\u0131 s\u0131ra sabun veya losyon yap\u0131m\u0131 malzemeleri satan baz\u0131 el sanatlar\u0131 ma\u011fazalar\u0131ndan sat\u0131n al\u0131nabilir. Ayr\u0131ca \u00f6zel kimyasal ma\u011fazalar\u0131nda veya end\u00fcstriyel tedarik\u00e7ilerde de mevcut olabilir.<\/p>\n

    S: Propilen glikol nedir ve g\u00fcvenli midir?<\/h6>\n

    C: 1,2-Propanediol, \u00e7e\u015fitli end\u00fcstrilerde solvent, nemlendirici ve koruyucu olarak yayg\u0131n olarak kullan\u0131lan sentetik bir organik bile\u015fiktir. Kabul edilebilir seviyelerde kullan\u0131ld\u0131\u011f\u0131nda FDA ve Avrupa G\u0131da G\u00fcvenli\u011fi Otoritesi gibi d\u00fczenleyici kurumlar taraf\u0131ndan kullan\u0131m\u0131 g\u00fcvenli kabul edilmektedir. Ancak belirli sa\u011fl\u0131k sorunlar\u0131 olan ki\u015filer taraf\u0131ndan dikkatli kullan\u0131lmal\u0131d\u0131r ve baz\u0131 ki\u015filerde tahri\u015f veya alerjik reaksiyonlar g\u00f6r\u00fclebilir.<\/p>\n

    S: Propilen glikol antifrizi nereden sat\u0131n al\u0131n\u0131r?<\/p>\n

    C: 1,2-propandiol antifriz \u00e7o\u011fu otomobil par\u00e7as\u0131 ma\u011fazas\u0131ndan, ayr\u0131ca baz\u0131 ev dekorasyon ma\u011fazalar\u0131ndan ve otomotiv \u00fcr\u00fcnleri konusunda uzmanla\u015fm\u0131\u015f \u00e7evrimi\u00e7i perakendecilerden sat\u0131n al\u0131nabilir.<\/p>\n

    S: Propilen glikol elektronik sigara kullan\u0131m\u0131 nedir?<\/p>\n

    C: 1,2-propandiol, elektronik sigara veya vaping i\u00e7in e-s\u0131v\u0131larda temel s\u0131v\u0131 olarak yayg\u0131n olarak kullan\u0131l\u0131r. E-likitin aromas\u0131n\u0131 ve nikotini iletmeye ve solunan buhar\u0131 olu\u015fturmaya yard\u0131mc\u0131 olur. Kullan\u0131m\u0131 genel olarak g\u00fcvenli kabul edilse de, baz\u0131 ki\u015filer elektronik sigara kullan\u0131rken 1,2-propandiol’e kar\u015f\u0131 tahri\u015f veya alerjik reaksiyonlar ya\u015fayabilir.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Propilen glikol (C3H8O2), g\u0131da, ila\u00e7 ve kozmetik dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstrilerde solvent, nemlendirici ve em\u00fclgat\u00f6r olarak kullan\u0131lan \u00e7ok y\u00f6nl\u00fc bir kimyasal bile\u015fiktir. Ayr\u0131ca antifriz ve defrost \u00e7\u00f6z\u00fcmlerinde de kullan\u0131l\u0131r. IUPAC Ad\u0131 Propan-1,2-diol Molek\u00fcler form\u00fcl C3H8O2 CAS numaras\u0131 57-55-6 E\u015f anlaml\u0131 1,2-dihidroksipropan, 1,2-propandiol, metiletilglikol, metiletilenglikol, PG InChI InChI=1S\/C3H8O2\/c1-3(5)2-4\/h3-5H,2H2,1H3 Propilen glikol\u00fcn \u00f6zellikleri Propilen glikol\u00fcn molar k\u00fctlesi … 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":"\nPropilen Glikol - C3H8O2, 57-55-6<\/title>\n<meta name=\"description\" content=\"Propilen glikol (C3H8O2), \u00e7e\u015fitli end\u00fcstrilerde solvent, nemlendirici ve em\u00fclgat\u00f6r olarak kullan\u0131lan \u00e7ok y\u00f6nl\u00fc bir kimyasal bile\u015fiktir.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chemuza.org\/tr\/propilen-glikol-c3h8o2\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Propilen Glikol - 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