Izakhiwo Zamakhemikhali

Uketshezi oluvuthayo olungenambala, olusobala noma oluphuzi olukhanyayo. Kunephunga elinamandla elinomunyu. Luxubene ne-ethanol (ukubola), i-diethylene glycol, i-ether, i-acetone, i-carbon tetrachloride, i-benzene, i-chlorobenzene, i-parafini, namafutha omnqumo

Sebenzisa:

Isetshenziswa njengezinto zokusetshenziswa zokukhiqiza i-polyurethane foam eguquguqukayo, izembozo, irabha kanye nezinamathiselo

Indlela yokukhiqiza

1. Kulungiswa ngokusabela kwe-2,4-diaminotoluene kanye ne-phosgene. Okokuqala, ncibilikisa i-diaminotoluene eqinile ku-benzene e-chlorinated, bese uyishisa ku-70°C ngokuyivuselela ukuze uthole isisombululo se-diaminotoluene chlorobenzene. I-benzene oxide etholiwe efakwe ebhodweni le-phosgene elisezingeni eliphansi bese kufakwa inani elithile lokukhanya okuketshezi. Ngemva kokufaka igesi, engeza isisombululo se-diaminotoluene esilungisiwe ngokuwa phansi ngenkathi uvuselela i-Chemicalbook, wenze i-phosgenation ku-40°C, bese ufaka izinto ze-phosgenation ezisezingeni eliphansi ebhodweni elisezingeni eliphezulu ukuze uthole i-phosgenation esezingeni eliphezulu, bese uphefumula ngenkathi ufudumala, cishe amahora ama-4, ukusabela ngokuvamile kwenziwa ku-120~125℃; ngemva kokuthi ukusabela sekuqediwe, kutholakala ngokuhlanzwa nge-nitrogen, ukuhluza, nokulungisa.

Imininingwane

Inombolo ye-CAS 26471-62-5

Ifomula yama-molecule C9H6N2O2

Isisindo sama-molecule 174.15614

Inombolo ye-EINECS 247-722-4

Iphuzu lokuncibilika 19.5~21.5℃

Iphuzu lokubila 247℃

Ubuningi 1.22

Inkomba yokubuka kabusha 1.5660 kuya ku-1.5700

Iphuzu lokuphazima 137 °C

Izimo zokugcina Gcina ngaphansi kuka-+30°C

Ulwazi lokuxhumana

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