Kapangidwe ka mankhwala:

Chogulitsa cha N-methylformamide choyera ndi madzi opanda mtundu, owonekera bwino komanso okhuthala, mp-3.8℃, bp198℃, n25D1.43Chemicalbook10, kuchuluka kwa 0.9986 (25℃), chimasungunuka m'madzi, ndipo chimathanso kusungunula mchere wosapangidwa. Chili ndi Hygroscopic, chimawola mosavuta mu njira za acidic kapena alkaline.

Kagwiritsidwe:

N-methylformamide ndi chinthu chofunikira kwambiri chopangidwa ndi zinthu zachilengedwe. Chimagwiritsidwa ntchito popanga mankhwala ophera tizilombo, mankhwala ophera tizilombo ndi ma acaricides monga monoformamidine ndi diformamidine. Chimagwiritsidwanso ntchito popanga mankhwala, zikopa zopangidwa, zikopa zopangidwa komanso ngati chosungunulira nsalu zopangidwa ndi ulusi wa mankhwala.

njira yopangira

Njira ya methylamine imachokera ku mgwirizano pakati pa methylamine ndi carbon monoxide. CO+CH3NH2→HCONHCH3 Perekani 87.05kg/h, pomwe mukupereka 56.5kg/h ya carbon monoxide yokhala ndi 9Chemicalbook9.5%, kutentha kwa reaction ndi 90°C, ndipo kuthamanga ndi 2.53MPa. Tulutsani 140.75kg ya osakaniza omwe ali ndi 80.5% (mass fraction) ya monomethylamine ola lililonse, ndiko kuti, kuchuluka kwa kupanga kwa N-methylformamide ndi 113.4kg pa ola limodzi, ndipo mphamvu yopanga ya 1L reactor ndi 1.89kg N-methylformamide pa ola limodzi.

chilengedwe

Nambala ya CAS 123-39-7

Fomula ya maselo C2H5NO

Kulemera kwa maselo 59.07

Nambala ya EINECS 204-624-6

Malo osungunuka -4°C (lit.)

Kutentha kwa 198-199°C (lit.)

Kuchulukana 1.011g/mL pa 25°C (lit.)

Chizindikiro cha refractive n20/D1.432 (lit.)

Malo owunikira >230° F

Malo osungiramo zinthu zotsekedwa, kutentha kwa chipinda

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