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sehlahisoa

3 4-epoxytetrahydrofuran (CAS# 285-69-8)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C4H6O2
'Misa oa Molar 86.09
Botenya 1.237
Boling Point 44°C 10mm
Flash point >38℃
Ho qhibiliha ha Metsi TS'ELISITSOE LEKANE
Khatello ea Mouoane 13.2mmHg ho 25°C
Ponahalo Mokelikeli
Mmala Bosehla bo hlakileng
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
Refractive Index 1.445-1.449
Thepa ea 'Mele le ea Lik'hemik'hale Sebaka se belang: 44 (p = 10 torr)

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xi - Ea halefisang
Likhoutu tsa Kotsi R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R10 – E ka cha
Tlhaloso ea Tšireletseho S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S23 - Se ke oa hema mouoane.
S16 - Ipoloke hole le mehloli ea mollo.
S36/37/38 -
Li-ID tsa UN 1993
Khoutu ea HS 29321900
Tsebiso ea Kotsi E tenang
Sehlopha sa Likotsi 3
Sehlopha sa ho paka

 

Selelekela

3,4-Epoxytetrahydrofuran ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea komporo ena:

 

Thepa: 3,4-Epoxytetrahydrofuran ke mokelikeli o se nang 'mala o nang le monko oa phenols. E ea cha 'me e ka etsa metsoako e phatlohang ka moea. Motsoako o qhibiliha ka metsing 'me o tsitsitse tlas'a maemo a asiti.

 

Lisebelisoa: 3,4-Epoxytetrahydrofuran e sebelisoa haholo liketsong tse ngata ho organic synthesis le indasteri ea lik'hemik'hale. E ka sebelisoa e le solvent, catalyst le intermediate.

 

Mokhoa oa ho itokisa: 3,4-epoxytetrahydrofuran hangata e entsoe ka karabelo ea epoxidation. Mokhoa o tloaelehileng ke ho arabela stannous tetrachloride ka tetrahydrofuran ho hlahisa epoxide. Hangata karabelo e etsahala ka mocheso oa kamore 'me e hloka ho eketsoa ha acidic catalyst ho thusa ho arabela.

Ke ntho e tukang 'me e lokela ho qojoa ho kopana le malakabe a bulehileng le mocheso o phahameng. Qoba ho hema likhase kapa ho kopana le letlalo le mahlo nakong ea ts'ebetso. E tlameha ho sebetsoa sebakeng se nang le moea o motle 'me ho lokela ho apesoa lisebelisoa tse loketseng tsa ho itšireletsa tse kang liatlana le liaparo tse sireletsang mahlo. Ho phaella moo, e hloka ho bolokoa ka setsing se se nang moea, hole le mehloli ea mocheso le malakabe a bulehileng. Ha ho e-na le ho lutla, e emise hang-hang 'me u qobe ho kena ka har'a likhoerekhoere kapa kamoreng e ka tlaase. Haeba motho a kopane kapa a hema ka phoso, batla thuso ea bongaka hang-hang.


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