Tetrahydrofuran
Lebitso la Senyesemane: THF; oxolane; Butane, alpha, delta-oxide; Cyclotetramethylene oxide; Diethylene oxide; Furan, tetrahydro-; Furanidine; 1, 2, 3, 4 - tetrahydro - 9 h - fluoren - 9 - e le 'ngoe
Nomoro ea CAS. : 109-99-9
EINECS no. : 203-726-8
Foromo ea molek'hule: C4H8O
Boima ba molek'hule: 184.2338
InChI: InChI = 1 / C13H12O/c14-13-11-7-13-11-7-9 (11) 10-6-2-10-6-2 (10) 13 / h1, 3, 5, 7 H , 2,4,6,8 H2
Sebopeho sa molek'hule: Tetrahydrofuran 109-99-9
Boima: 1.17 g/cm3
Sebaka se qhibilihang: 108.4 ℃
Sebaka se belang: 343.2°C ho 760 mmHg
Khanya: 150.7 ° C
Ho qhibiliha ha metsi: Ho fapane
Khatello ea mouoane: 7.15E-05mmHg ho 25°C
Lintho tsa 'mele le tsa lik'hemik'hale:
Mokelikeli o bonaletsang o se nang 'mala, o na le monko oa ether.
Sebaka se belang sa 67 ℃
Sebaka sa leqhoa - 108 ℃
Boima ba kamano 0.985
Lenane la refractive la 1.4050
Sebaka se khanyang - 17 ℃
Sollubility e kopane le metsi, joala, ketone, benzene, ester, ether, hydrocarbon.
Tšebeliso ea Sehlahisoa:
E sebelisoa e le solvent le lisebelisoa tse tala bakeng sa organic synthesis

Tetrahydrofuran, e khutsufalitsoeng THF, ke motsoako oa heterocyclic organic. Ke ea sehlopha sa ether 'me ke sehlahisoa se feletseng sa hydrogenation sa monko o monate oa furan. Tetrahydrofuran ke e 'ngoe ea li-polar ether tse matla ka ho fetisisa. E sebelisoa e le solvent e bohareng ea polar karabelong ea lik'hemik'hale le ho ntšoa. Ke mokelikeli o sa tsitsang o se nang mebala mochesong oa kamore 'me o na le monko o tšoanang le oa diethyl ether. E qhibiliha ka metsing, ethanol, ether, acetone, Chemicalbook benzene le metsoako e meng ea tlhaho, e tsejoang e le "universal solvent". E ka 'na ea e-ba karolo e sa tšoaneng ea metsi ka mocheso oa kamore, ke kahoo barekisi ba bang ba seng molaong ba etsang phaello e kholo ka ho kopanya reagent ea tetrahydrofuran le metsi. Kaha THF e tloaetse ho etsa li-peroxide polokelong, BHT ea antioxidant hangata e eketsoa lihlahisoa tsa indasteri. Metsi a ka tlase ho 0.2%. E na le litšobotsi tsa chefo e tlaase, ntlha e tlaase e belang le metsi a matle.
Hajoale, bahlahisi ba ka sehloohong ba malapeng ba tetrahydrofuran ba kenyelletsa BASF China, Dalian Yizheng (DCJ), Shanxi Sanwei, Sinochem International, le Petrochina Qianguo Refinery, joalo-joalo, le limela tse ling tse OTHER PBT le tsona li hlahisa karolo ea lihlahisoa. Li-index tsa thekiso ea LyondellBasell Industries United States le Europe ke: purity 99.90%Chemicalbook, chroma (APHA) 10, mongobo 0.03%, THF hydroperoxide 0.005%, kakaretso ea ho se hloeke 0.05%, le oxidation inhibitor 5% ~ 0.02%. Ka indasteri ea polyurethane, tšebeliso ea bohlokoa ka ho fetisisa ke ntho e le 'ngoe ea polytetrahydrofuranediol (PTMEG), eo hape e leng e' ngoe ea lisebelisoa tse ka sehloohong tsa THF.

Lisebelisoa tse kholo:
Sepheo se seholo
1. Thepa e tala ea motsoako oa polyurethane fiber tetrahydrofuran e ka ba polycondensation (cationic initiated ring-opening repolymerization) ho polytetramethylene ether diol (PTMEG), e tsejoang hape e le tetrahydrofuran homopolyether. PTMEG le TOLuene diisocyanate (TDI) li entsoe ka rabara e khethehileng e nang le khanyetso e ntle ea ho apara, ho hanyetsa oli, ts'ebetso e tlaase ea mocheso le matla a phahameng. Thibela polyether polyester elastomer e ne e lokiselitsoe ka dimethyl terephthalate le 1, 4-butanediol. Polyurethane elastic fibers (SPANDEX, SPANDEX), rabara e khethehileng le litlolo tse ling tse khethehileng li entsoe ka 2000 PTMEG le p-methylene bis (4-phenyl) diisocyanate (MDI). Tšebeliso ea bohlokoa ka ho fetisisa ea THF ke ho hlahisa PTMEG. Ho ea ka lipalo-palo tse mpe, ho feta 80% ea THF lefatšeng e sebelisetsoa ho hlahisa PTMEG, ha PTMEG e sebelisoa haholo ho hlahisa fiber ea elastic spandex.
2. Tetrahydrofuran ke solvent e ntle e sebelisoang ka tloaelo, haholo-holo e loketseng ho qhaqha PVC, polyvinylidene chloride le butaniline. E sebelisoa haholo e le solvent bakeng sa ho roala holim'a metsi, anti-corrosion coating, enke ea khatiso, theipi ea makenete le ho roala filimi. Ho roala ka theipi ea Magnetic, PVC holim'a ho roala, HO HLOETSA PVC reactor, ho tlosoa ha filimi ea PVC, ho roala ha cellophane, enke ea khatiso ea polasetiki, thermoplastic polyurethane coating, solvent bakeng sa li-adhesive, e sebelisoang haholo ho koahela holim'a metsi, liaparo tse sireletsang, li-inks, li-extractants le lisebelisoa tsa letlalo tse entsoeng ka holimo. .
3. E sebelisoa e le lisebelisoa tse tala bakeng sa motsoako oa lintho tse phelang tse kang meriana bakeng sa tlhahiso ea tetrahydrothiophene, 1.4-dichloroethane, 2.3-dichlorotetrahydrofuran, petolactone, butyllactone le pyrrolidone, joalo-joalo Lefapheng la meriana, le sebelisoa bakeng sa kecinpidine, synthesis ea rifasi progesterone le lithethefatsi tse ling tsa li-hormone. Tetrahydrothiophenol, e hlahisoang ke phekolo ea hydrogen sulfide, e ka sebelisoa e le moemeli oa monko (tlhahiso ea boitsebiso) ka khase ea mafura 'me hape ke motsoako o ka sehloohong indastering ea meriana.
4. Litšebeliso tse ling tsa li-solvents tsa chromatographic (gel permeation chromatography), tse sebelisetsoang tatso ea khase ea tlhaho, solvent ea acetylene, lisebelisoa tsa polymer, tse kang stabilizer e khanyang. Ka tšebeliso e pharaletseng ea tetrahydrofuran, haholo-holo kgolo e potlakileng ea indasteri ea spandex Chaena lilemong tsa morao tjena, tlhokahalo ea PTMEG Chaena e ntse e eketseha letsatsi le letsatsi, 'me tlhokahalo ea tetrahydrofuran e boetse e bontša mokhoa oa ho hōla ka potlako.