nkhani

n,n-dimethylformamide (DMF) ndi chinthu chofunikira kwambiri chosungunulira zinthu zachilengedwe chomwe chimagwiritsidwa ntchito m'njira zosiyanasiyana. Makamaka, ntchito zake zazikulu ndi izi:
Zosungunulira: DMF imagwiritsidwa ntchito kwambiri ngati chosungunulira mu kapangidwe ka organic chifukwa cha kusungunuka kwake bwino komanso kukhazikika kwa mankhwala, makamaka m'magawo a polymer chemistry, utoto, mankhwala, mankhwala ophera tizilombo ndi madera ena.
Njira Yochitira Zinthu: Mu njira zopangira zinthu zachilengedwe, DMF ingagwiritsidwe ntchito ngati njira yochitira zinthu kuti ilimbikitse njira yochitira zinthu. Mwachitsanzo, DMF ingagwiritsidwe ntchito ngati njira yosungunulira zinthu komanso chothandizira pokonzekera ma amide ena.
Electrolyte solvent‌: Mu gawo la electrochemistry, DMF nthawi zambiri imagwiritsidwa ntchito ngati electrolyte solvent chifukwa cha mphamvu yake yoyendetsa bwino komanso kukhazikika kwa mankhwala, ndipo imagwiritsidwa ntchito pokonzekera zida zamagetsi monga mabatire ndi ma capacitor.
Ma Analytical Reagents: Mu kusanthula kwa mankhwala, DMF ingagwiritsidwe ntchito ngati yankho lokhazikika mu chromatography ya gasi kuti ithandize kulekanitsa ndi kuzindikira mankhwala.

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Ntchito zina: Kuphatikiza apo, DMF ingagwiritsidwenso ntchito pa zikopa zopangidwa, zikopa zopanga, filimu, ndi zipangizo zopangira mankhwala ophera tizilombo monga mankhwala ophera tizilombo ndi herbicides. Mu makampani opanga mankhwala, ingagwiritsidwe ntchito popanga mankhwala a sulfa, doxycycline ndi mankhwala ena.
Mwachidule, n,n-dimethylformamide imagwira ntchito yofunika kwambiri m'magawo ambiri chifukwa cha mawonekedwe ake apadera komanso mankhwala.
Katundu wa Mankhwala a N,N-Dimethylformamide
Malo osungunuka -61 °C (lit.)
alpha 0.94 º
Kutentha kwa madzi 153 °C (lit.)
kachulukidwe 0.944 g/mL (lit.)
kuchuluka kwa nthunzi 2.5 (poyerekeza ndi mpweya)
Kuthamanga kwa nthunzi 2.7 mm Hg (20 °C)
chizindikiro cha refractive n20/D 1.430(lit.)
Fp 136 °F
Sungani kutentha kwa +5°C mpaka +30°C.
madzi osungunuka: osakanikirana
mawonekedwe amadzimadzi
pka -0.44±0.70(Yonenedweratu)
mtundu wa APHA: ≤15
Fungo lofooka, fungo lofanana ndi la ammonia limapezeka pa 100 ppm
Polarity yoyerekeza 0.386
PH 7 (200g/l, H2O, 20℃)
malire ophulika 2.2-16%(V)
Mzere Wopanda Fungo 1.8ppm
Madzi osungunuka
Hygroscopic Yosavuta Kuzindikira

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