izindaba

I-n,n-dimethylformamide (DMF) iyisinyibilikisi esibaluleke kakhulu sezinto eziphilayo esinokusetshenziswa okubanzi emikhakheni eminingi. Ngokukhethekile, ukusetshenziswa kwayo okuyinhloko kufaka phakathi:
I-solvent: I-DMF isetshenziswa kabanzi njengesinyibilikisi ekuhlanganisweni kwezinto eziphilayo ngenxa yokuncibilika kwayo okuhle kakhulu kanye nokuqina kwamakhemikhali, ikakhulukazi emikhakheni ye-polymer chemistry, udayi, imithi, izibulala-zinambuzane kanye neminye imikhakha.
I-Reaction Medium: Ekusabeleni kwezinto eziphilayo, i-DMF ingasetshenziswa njengendlela yokusabela ukukhuthaza ukusabela. Isibonelo, i-DMF ingasetshenziswa njengesixazululo sokusabela kanye ne-catalyst ekulungiseleleni ama-amides athile.
I-electrolyte solvent: Emkhakheni we-electrochemistry, i-DMF ivame ukusetshenziswa njenge-electrolyte solvent ngenxa yokuqhuba kwayo okuphezulu kanye nokuqina kwamakhemikhali, futhi isetshenziswa ekulungiseleleni amadivayisi e-electrochemical afana namabhethri nama-capacitor.
Ama-Reagent Okuhlaziya: Ekuhlaziyweni kwamakhemikhali, i-DMF ingasetshenziswa njengesixazululo esingaguquki ku-gas chromatography ukusiza ukuhlukanisa nokubona ama-compound.

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Okunye ukusetshenziswa: Ngaphezu kwalokho, i-DMF ingasetshenziswa futhi esikhumbeni sokwenziwa, isikhumba sokwenziwa, ifilimu, kanye nezinto zokusetshenziswa zokukhiqiza izibulala-zinambuzane ezifana nezibulala-zinambuzane kanye nemithi yokubulala ukhula. Embonini yemithi, ingasetshenziswa ukukhiqiza izidakamizwa ze-sulfa, i-doxycycline kanye neminye imithi.
Ngamafuphi, i-n,n-dimethylformamide inezinzuzo ezibalulekile emikhakheni eminingi ngenxa yezakhiwo zayo eziyingqayizivele zomzimba nezamakhemikhali.
Izakhiwo Zamakhemikhali ze-N,N-Dimethylformamide
Iphuzu lokuncibilika -61 °C (ngokukhanya)
i-alpha 0.94 º
Iphuzu lokubila 153 °C (elikhanyayo)
ukuminyana 0.944 g/mL (okukhanyayo)
ubuningi bomusi 2.5 (uma kuqhathaniswa nomoya)
umfutho womusi 2.7 mm Hg (20 °C)
inkomba yokubuyisa n20/D 1.430(lit.)
Fp 136 °F
izinga lokushisa lokugcina. Gcina kusukela ku-+5°C kuya ku-+30°C.
amanzi ancibilikayo: axutshwe
ifomu loketshezi
i-pka -0.44±0.70 (Kubikezelwe)
umbala we-APHA: ≤15
Iphunga Elifiphele, iphunga elifana ne-ammonia liyatholakala ku-100 ppm
I-polarity ehlobene 0.386
PH 7 (200g/l, H2O, 20℃)
umkhawulo wokuqhuma 2.2-16%(V)
Umkhawulo Wephunga 1.8ppm
Ukuncibilika kwamanzi okuncibilikayo
I-Hygroscopic Ezwelayo

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Isikhathi sokuthunyelwe: Jan-12-2026