Mai ƙera Kyakkyawan Farashi Tetrahydrofuran CAS:109-99-9

Mai ƙera Farashi Mai Kyau Tetrahydrofuran CAS:109-99-9 Hoton da aka Fito

taƙaitaccen bayani:

Tetrahydrofuran (THF) ruwa ne mara launi, mai canzawa wanda ke da ƙamshi mai kama da ethereal ko acetone kuma yana iya narkewa a cikin ruwa da yawancin abubuwan narkewa na halitta. Tetrahydrofuran (THF) yana da ƙarfi sosai kuma yana iya ruɓewa ta hanyar zafi zuwa carbon monoxide da carbon dioxide. Ajiyewa na dogon lokaci yayin hulɗa da iska da rashin antioxidant na iya haifar da ruɓewar THF zuwa peroxides masu fashewa.

CAS: 109-99-9

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TETRAMETHYLENE ETHER GLYCOL 2000 POLYMER; Tetrahydrofuran, 99.8% [Tetrahydrofuran, ACS/HPLC Certified]; Tetrahydrofuran, 99.6%, an daidaita shi da BHT, don bincike ACS; Tetrahydrofuran, 99+%, an daidaita shi da BHT, ƙarin tsarki; Tetrahydrofuran, 99.9%, an yi shi da ruwa, an daidaita shi, ƙarin tsarki; Tetrahydrofuran, 99.5+%, don spectroscopy; Tetrahydrofuran, 99.8%, ba a daidaita shi ba, don HPLC; Tetrahydrofuran, 99.85%, ruwa ƙasa da 50 ppm, an daidaita shi, ƙarin bushewa.

Amfani da Tetrahydrofuran

Ana amfani da Tetrahydrofuran wajen kera sinadarai masu amfani da sinadarai na polymers da kuma sinadarai na noma, magunguna, da kayayyaki. Ayyukan masana'antu galibi suna faruwa ne a cikin tsarin rufewa ko ƙarƙashin ikon injiniya wanda ke iyakance fallasa ma'aikata da sakin su ga muhalli. Haka kuma ana amfani da THF a matsayin mai narkewa (misali, daidaita bututu) wanda zai iya haifar da ƙarin fallasa idan aka yi amfani da shi a wurare masu iyaka ba tare da isasshen iska ba. Kodayake THF yana samuwa a zahiri a cikin ƙamshin kofi, wake da aka yi da fulawa, da kaza da aka dafa, ba a tsammanin fallasa ta halitta za ta haifar da babban haɗari ba.
Ana amfani da butylene oxide a matsayin mai kashe zafi da kuma wanda ba a haɗa shi da wasu sinadarai ba. Ana amfani da shi don daidaita man fetur dangane da launi da samuwar laka.
Ana amfani da Tetrahydrofuran a matsayin mai narkewa don resins, vinyls, da manyan polymers; a matsayin hanyar amsawa ta Grignard don halayen organometallic, da ƙarfe hydride; da kuma a cikin haɗakar succinic acid da butyrolactone.
Maganin narkewa ga manyan polymers, musamman polyvinyl chloride. A matsayin hanyar amsawa ga Grignard da halayen hydride na ƙarfe. A cikin haɗa butyrolactone, succinic acid, 1,4-butanediol diacetate. Maganin narkewa a cikin dabarun histological. Ana iya amfani da shi a ƙarƙashin Dokar Abinci, Magunguna & Kayan Kwalliya ta Tarayya don ƙera kayayyaki don marufi, jigilar kaya, ko adana abinci idan ragowar adadin bai wuce 1.5% na fim ɗin ba: Fed. Regist. 27, 3919 (Afrilu 25, 1962).
Ana amfani da Tetrahydrofuran musamman (80%) don yin polytetramethylene ether glycol, tushen polymer da ake amfani da shi musamman wajen ƙera zaruruwan elastomeric (misali, spandex) da kuma polyurethane da polyester elastomers (misali, fata ta wucin gadi, ƙafafun skateboard). Sauran (20%) ana amfani da su ne wajen amfani da sinadarai masu narkewa (misali, simintin bututu, manne, tawada na bugawa, da tef ɗin maganadisu) da kuma azaman maganin narkewa a cikin sinadarai da magunguna.