Chaw Tsim Khoom Zoo Tus Nqi Tetrahydrofuran CAS: 109-99-9

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Tetrahydrofuran (THF) yog ib yam kua tsis muaj xim, uas muaj ntxhiab tsw zoo li ethereal lossis acetone thiab nws sib xyaw tau hauv dej thiab feem ntau cov organic solvents. Tetrahydrofuran (THF) yog ib yam uas yoo kub hnyiab heev thiab tej zaum yuav lwj mus ua carbon monoxide thiab carbon dioxide. Kev khaws cia ntev ntev hauv kev sib cuag nrog huab cua thiab tsis muaj antioxidant yuav ua rau THF lwj mus ua cov peroxides tawg.

CAS: 109-99-9

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TETRAMETHYLENE ETHER GLYCOL 2000 POLYMER; Tetrahydrofuran, 99.8% [Tetrahydrofuran, ACS/HPLC Muaj Ntawv Pov Thawj]; Tetrahydrofuran, 99.6%, ruaj khov nrog BHT, rau kev tshuaj xyuas ACS; Tetrahydrofuran, 99+%, ruaj khov nrog BHT, ntshiab ntxiv; Tetrahydrofuran, 99.9%, anhydrous, ruaj khov, ntshiab ntxiv; Tetrahydrofuran, 99.5+%, rau spectroscopy; Tetrahydrofuran, 99.8%, tsis ruaj khov, rau HPLC; Tetrahydrofuran, 99.85%, dej <50 ppm, ruaj khov, qhuav ntxiv.

Cov ntawv thov ntawm Tetrahydrofuran

Tetrahydrofuran siv rau hauv kev tsim cov polymers nrog rau kev ua liaj ua teb, tshuaj, thiab cov tshuaj lom neeg. Cov haujlwm tsim khoom feem ntau tshwm sim hauv cov kab ke kaw lossis nyob rau hauv kev tswj hwm engineering uas txwv cov neeg ua haujlwm raug thiab tso tawm rau ib puag ncig. THF kuj tseem siv ua cov kuab tshuaj (piv txwv li, cov yeeb nkab fitting) uas yuav ua rau muaj kev phom sij ntau dua thaum siv rau hauv qhov chaw kaw tsis muaj cua txaus. Txawm hais tias THF muaj nyob rau hauv kas fes aroma, chickpeas hmoov, thiab nqaij qaib siav, kev phom sij ntuj tsis xav tias yuav ua rau muaj kev phom sij loj.
Butylene oxide yog siv los ua fumigant thiab tsis sib xyaw nrog lwm cov tshuaj. Nws yog siv los tswj cov roj kom ruaj khov nrog rau xim thiab cov sludge tsim.
Tetrahydrofuran siv ua cov kuab tshuaj rau cov resins, vinyls, thiab cov polymers siab; ua ib qho Grignard reaction medium rau organometallic, thiab hlau hydride reactions; thiab nyob rau hauv kev tsim cov succinic acid thiab butyrolactone.
Cov tshuaj yaj rau cov polymers siab, tshwj xeeb tshaj yog polyvinyl chloride. Ua cov tshuaj tiv thaiv rau Grignard thiab cov tshuaj tiv thaiv hlau hydride. Hauv kev tsim cov butyrolactone, succinic acid, 1,4-butanediol diacetate. Cov tshuaj yaj hauv cov txheej txheem histological. Yuav siv tau raws li Txoj Cai Khoom Noj Khoom Haus, Tshuaj & Tshuaj Pleev Xim rau kev tsim cov khoom rau kev ntim khoom, kev thauj mus los, lossis kev khaws cia cov khoom noj yog tias cov khoom seem tsis tshaj 1.5% ntawm zaj duab xis: Fed. Regist. 27, 3919 (Plaub Hlis 25, 1962).
Tetrahydrofuran feem ntau yog siv (80%) los ua polytetramethylene ether glycol, lub hauv paus polymer siv feem ntau hauv kev tsim cov elastomeric fibers (piv txwv li, spandex) nrog rau polyurethane thiab polyester elastomers (piv txwv li, tawv cuav, log skateboard). Cov seem (20%) yog siv rau hauv cov ntawv thov solvent (piv txwv li, cov yeeb nkab cements, adhesives, printing inks, thiab magnetic tape) thiab ua cov tshuaj tiv thaiv hauv cov tshuaj lom neeg thiab tshuaj syntheses.