Mugadziri Mutengo Wakanaka Tetrahydrofuran CAS:109-99-9

tsananguro pfupi:

Tetrahydrofuran (THF) imvura isina ruvara, inopfava ine hwema hwakaita sehwe ethereal kana acetone uye inosanganiswa mumvura uye mune zvakawanda zvinonyungudutsa zvipenyu. Tetrahydrofuran (THF) inobvira zvakanyanya uye inogona kuora nekupisa kuita carbon monoxide uye carbon dioxide. Kuchengetwa kwenguva refu kana yakabatana nemhepo uye pasina antioxidant kunogona kukonzera kuti THF iore kuita kuputika kweperoxides.

CAS: 109-99-9

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Mazwi anoreva zvakafanana

TETRAMETHYLENE ETHER GLYCOL 2000 POLYMER; Tetrahydrofuran, 99.8% [Tetrahydrofuran, ACS/HPLC Certified]; Tetrahydrofuran, 99.6%, yakagadzika neBHT, yekuongorora ACS; Tetrahydrofuran, 99+%, yakagadzika neBHT, yakachena zvakanyanya; Tetrahydrofuran, 99.9%, isina mvura, yakagadzika, yakachena zvakanyanya; Tetrahydrofuran, 99.5+%, ye spectroscopy; Tetrahydrofuran, 99.8%, isina kugadzika, yeHPLC; Tetrahydrofuran, 99.85%, mvura <50 ppm, yakagadzika, yakaoma zvakanyanya.

Mashandisirwo eTetrahydrofuran

Tetrahydrofuran inoshandiswa mukugadzira mapolymers pamwe chete nemakemikari ekurima, emishonga, uye ezvekutengesa. Mabasa ekugadzira anowanzo itika mumasisitimu akavharwa kana pasi pehutongi hweinjiniya hunodzikamisa kusangana kwevashandi nekusununguka kunharaunda. THF inoshandiswawo semushonga unonyungudutsa (semuenzaniso, kuisa pombi) izvo zvinogona kukonzera kusangana kwakanyanya kana ikashandiswa munzvimbo dzakamanikana dzisina mhepo yakakwana. Kunyangwe THF iri muchisikigo mumunhuwi wekofi, nyemba dzakakangwa, uye huku yakabikwa, kusangana kwacho kwechisikigo hakutarisirwi kuti kuchave nenjodzi huru.
Butylene oxide inoshandiswa semushonga wekufukisa uye haisanganiswi nezvimwe zvinhu. Inoshandiswa kudzikamisa mafuta maererano neruvara uye kuumbwa kwetsvina.
Tetrahydrofuran inoshandiswa semushonga we resins, vinyls, uye ma polymers akakwira; senzira yeGrignard reaction ye organometallic, uye metal hydride reactions; uye mukugadzirwa kwe succinic acid ne butyrolactone.
Inonyungudutsa yemapolymers akawanda, kunyanya polyvinyl chloride. Senzira yekuita Grignard uye metal hydride reactions. Mukugadzirwa kwebutyrolactone, succinic acid, 1,4-butanediol diacetate. Inonyungudutsa muhunyanzvi hwehistological. Inogona kushandiswa pasi peFederal Food, Drug & Cosmetic Act pakugadzira zvinhu zvekurongedza, kutakura, kana kuchengetedza chikafu kana huwandu hwasara husingapfuure 1.5% yefirimu: Fed. Regist. 27, 3919 (Kubvumbi 25, 1962).
Tetrahydrofuran inoshandiswa zvakanyanya (80%) kugadzira polytetramethylene ether glycol, iyo base polymer inoshandiswa zvakanyanya mukugadzira elastomeric fibers (semuenzaniso, spandex) pamwe nepolyurethane nepolyester elastomers (semuenzaniso, dehwe rekugadzira, mavhiri eskateboard). Yasara (20%) inoshandiswa mukushandiswa kwe solvent (semuenzaniso, masimende emapombi, manamira, inki dzekudhinda, uye tepi yemagineti) uye se reaction solvent mukugadzirwa kwemakemikari nemishonga.