CAS 109-99-9 Tetrahydrofuran (THF) Taw qhia
Formula: C₄H₈O
CAS Nr.: 109-99-9
Qhov tshwm sim: Cov kua xim tsis muaj xim nrog ether - zoo li tsw
Boiling Pointkub: 66 degree; cov
Melting PointKub: -108.5 degree
Qhov ntomQhov hnyav: 0.89 g / cm³
Solubility: Miscible nrog dej, ethanol, ether, thiab feem ntau cov kuab tshuaj organic
Flash PointKub: -14℃(flammable)
Tetrahydrofuran (THF)yog cov xim tsis muaj xim, dej -miscible organic kua uas muaj viscosity tsawg. Nws yog tsuas yog siv los ua ib qho precursor rau polymers. Ua tus polar thiab muaj cov kua dej ntau, THF yog cov kuab tshuaj ntau yam.
Tetrahydrofuran (THF) Solvent siv
Solvent: THF CAS 109-99-9yog ib tug ntau yam hnyav hnyav nrog zoo heev solvency zog rau ntau yam ntawm cov organic tebchaw. Nws yog feem ntau siv nyob rau hauv tshuaj synthesis, polymerization cov tshuaj tiv thaiv, thiab raws li ib tug tshuaj tiv thaiv nruab nrab nyob rau hauv organometallic chemistry. Nws kuj yog siv nyob rau hauv extraction ntawm tej yam ntuj tso khoom thiab nyob rau hauv chromatography.
Kev lag luam Polymer: Tetrahydrofuran Solvent yog ib qho tseem ceeb monomer hauv kev tsim cov polytetramethylene ether glycol (PTMEG), siab -kev ua tau zoo polymer siv los tsim cov elastomers, fibers, thiab thermoplastic polyurethanes. PTMEG yog synthesized los ntawm lub nplhaib - qhib polymerization ntawm tetrahydrofuran nyob rau hauv lub xub ntiag ntawm ib tug catalyst.
Laboratory Reagent: Nws yog dav siv los ua ib lub chaw kuaj reagent rau ntau daim ntawv thov, suav nrog cov kuab tshuaj rho tawm, crystallization, thiab chromatography. Nws yog tshwj xeeb muaj nuj nqis rau nws lub peev xwm los yaj polar thiab nonpolar compounds ib yam nkaus.
Tshuaj Formulation: Tetrahydrofuran (CAS 109-99-9) yog siv rau hauv kev lag luam kws tshuaj ua cov kuab tshuaj thiab cov khoom thauj rau cov tshuaj formulations, tshwj xeeb tshaj yog rau cov tshuaj tsis zoo soluble uas yuav tsum tau txhim kho bioavailability. Nws kuj tseem ua haujlwm hauv kev tsim cov tshuaj intermediates thiab cov khoom xyaw tshuaj nquag (APIs).
Cov ntaub ntawv kev nyab xeeb ntawm THF hnyav
1. Tetrahydrofuran muaj qee yam toxicity thiab corrosiveness; Yog li ntawd, kev sib cuag ncaj qha rau ntawm daim tawv nqaij thiab qhov muag yuav tsum raug zam.
2. Hnav cov hnab looj tes tiv thaiv, tsom iav, thiab khaub ncaws tiv thaiv thaum siv.
3. THF yog nplaim taws; khaws cia kom deb ntawm cov nplaim taws thiab qhov cua sov, thiab khaws cia rau hauv qhov chaw txias, qhov cua.
4. Thaum muab pov tseg, ua raws li cov kev cai cuam tshuam kom txo tau qhov cuam tshuam ib puag ncig.
Puas yog koj tab tom nrhiav rau qhov chaw ntseeg tau ntawmSiab Purity Tetrahydrofuran Solvent? Gneebiomuab tus nqi hwm - qib THF. Peb muab cov nqi sib tw, ntim tau yooj yim thiab cov kev daws teeb meem thoob ntiaj teb los xyuas kom meej cov khoom xa tuaj raws sijhawm.
Xa koj cov lus nug hnub no!
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Cov neeg muas zaub los ua ntej. Peb muab siab - cov khoom zoo ntawm tus nqi tsim nyog thiab xyuas kom meej cov khoom xa tuaj sai.
Peb tuaj yeem xa cov khoom ncaj qha mus rau koj qhov chaw nyob xa khoom, uas muaj kev nyab xeeb thiab ceev ceev. Peb muaj cov khoom npaj rau hauv Tshuag.
Peb teb sai thiab meej rau cov neeg siv khoom cov lus nug. Peb muab kev sov siab tom qab - kev muag khoom thiab yuav pab koj daws txhua yam teeb meem uas koj ntsib.
Peb xa tshwj xeeb zoo thiab kev pabcuam ntawm tus nqi sib tw.
Nyem qhov no xa ib qho kev nug
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Gneebioyog cov kws tshaj lij cov khoom siv raw khoom nyob hauv Henan Xeev, Suav. Peb tau dhau daim ntawv pov thawj kev ua haujlwm zoo thiab muaj tus kheej - tswj cov cai ntshuam thiab xa tawm. Peb cov khoom yog nrov nrog cov neeg siv khoom. Raws li tus neeg xa khoom thoob ntiaj teb, peb xa cov ntaub ntawv pov thawj tshuaj raw khoom uas ua raws li REACH, RoHS, ISO thiab lwm yam qauv thoob ntiaj teb. Peb lub peev xwm ntau lawm txhua hli ua kom zoo ib yam thiab muaj kev ntseeg siab rau kev txiav txim ntau.
