iindaba

 

I-N,N-dimethylaniline ikwimo yolwelo olunamafutha olutyheli kancinci. Oku kulandelayo yinkcazo eneenkcukacha zemo ye-N,N-dimethylaniline:

Inkangeleko: Ulwelo olunamafutha olumthubi kancinci ukuya kumdaka olunevumba elibi, kwaye lunyibilikiswa lula ukuze lube mnyama.
Iimpawu zomzimba: Ayinyibiliki emanzini, kodwa iyanyibilika kwizinyibilikisi zendalo ezifana ne-ethanol, i-ether, kunye ne-chloroform. Iqondo layo lokubila yi-193.5±0.0°C, iqondo lokunyibilika yi-1.5-2.5°C, kwaye uxinano lumalunga ne-1.0±0.1 g/cm3.
Ngamafutshane, i-N,N-dimethylaniline ibonakala njengolwelo olunamafutha olumthubi kancinci kubushushu begumbi kunye noxinzelelo, kwaye ineempawu ezithile zomzimba nezekhemikhali.

I-N,N-Dimethylaniline (DMBA) yikhompawundi yendalo esetyenziswa kakhulu njenge-dye intermediate kwaye ineendlela ezahlukeneyo zokusetyenziswa kwimizi-mveliso. Nazi iindlela eziphambili zokusetyenziswa kwe-N,N-dimethylaniline:

Iidayi eziphakathi: Zisetyenziselwa ukwenza i-vanillin, iidayi ze-azo, iidayi ze-triphenylmethane, njl.
Izinyibilikisi kunye neziqinisi: Ngenxa yeempawu zayo ezithile zeekhemikhali, i-N, i-N-dimethylaniline ingasetyenziswa njengesinyibilikisi kunye nesiqinisi.
Ii-reagents zohlalutyo: Kuhlalutyo lweekhemikhali, i-N, i-N-dimethylaniline ikwasetyenziswa rhoqo njenge-reagent.
Ezinye iindlela zokusetyenziswa: Ukongeza kwezi ndlela ziphambili zingentla, i-N,N-dimethylaniline ingasetyenziswa nakwezinye iindawo zoshishino ngokweemfuno ezithile.
Kufuneka kuqatshelwe ukuba i-N,N-dimethylaniline yinto enobuthi kwaye inokubangela umhlaza, ngoko ke kuyimfuneko ukulandela ngokungqongqo imigaqo efanelekileyo ngexesha lokusetyenziswa nokugcinwa kwayo ukuqinisekisa ukhuseleko lwabasebenzi kunye nokukhuselwa kwendalo. Kwangaxeshanye, ngenxa yokuqhuma kwayo, ukupakishwa, ukugcinwa kunye nokuthuthwa kwayo kufuna unonophelo olukhethekileyo.

浅黄色液体

Iipropati zeekhemikhali ze-N,N-Dimethylaniline
Iqondo lokunyibilika 1.5-2.5 °C (elikhanyayo)
Iqondo lokubila 193-194 °C (lit.)
uxinano 0.956 g/mL kwi-25 °C (elithayo)
uxinano lomphunga 3 (xa kuthelekiswa nomoya)
uxinzelelo lomphunga 2 mm Hg (25 °C)
isalathisi sokuchasana n20/D 1.557(lit.)
Fp 158 °F
ubushushu bokugcina. Gcina ngaphantsi kwe +30°C.
ukunyibilika 1.2g/l
ifomu yolwelo
i-pka 5.15 (kwi-25℃)
umbala otyheli ocacileyo
I-polarity enxulumeneyo 0.179
PH 7.4 (1.2g/l, H2O, 20℃)
umda oqhumayo 1.2-7%(V)
Ukunyibilika kwamanzi 1 g/L (20 ºC)
I-Merck 14,3234
I-BRN 507140
I-Henry's Law Constant 4.98(x 10-6 atm?m3/mol) kwi-20 °C (malunga - kubalwe ngokunyibilika kwamanzi kunye noxinzelelo lomphunga)

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Ixesha leposi: Oktobha-14-2025