ngā purongo

 

He wai hinuhinu kōwhai mārama te āhua o te N,N-dimethylaniline. Anei tētahi whakamārama taipitopito mō te āhua o te N,N-dimethylaniline:

Āhua: He wai hinuhinu, he kōwhai mārama ki te parauri, he kakara kaha, ā, he ngāwari te waikura kia pōuri ai te tae.
Ngā āhuatanga ā-tinana: Kāore e wairewa i roto i te wai, engari ka wairewa i roto i ngā whakarewa waro pērā i te etanoru, te etera, me te kōroporuma. Ko tōna ira kohua he 193.5±0.0 °C, ko tōna ira rewa he 1.5-2.5 °C, ā, ko te mātotoru he tata ki te 1.0±0.1 g/cm3.
Hei whakarāpopototanga, ka puta te N,N-dimethylaniline hei wai hinuhinu kōwhai mārama i te pāmahana me te pēhanga rūma, ā, he āhuatanga ā-tinana, ā-matū hoki ōna.

Ko te N,N-Dimethylaniline (DMBA) he matū waro e whakamahia ana hei takawaenga tae, ā, he maha ngā whakamahinga ahumahi. Ko ngā whakamahinga matua o te N,N-dimethylaniline ēnei:

Ngā takawaenga tae: Whakamahia hei hanga vanillin, tae azo, tae triphenylmethane, me ētahi atu.
Ngā whakarewa me ngā kaiwhakaū: Nā ōna āhuatanga matū motuhake, ka taea te whakamahi i te N,N-dimethylaniline hei whakarewa me te whakaū.
Ngā matū tātari: I roto i te tātari matū, ka whakamahia pinepinetia te N,N-dimethylaniline hei matū tātari.
‌Ētahi atu whakamahinga‌: Haunga ngā whakamahinga matua o runga ake nei, ka taea hoki te whakamahi i te N,N-dimethylaniline i roto i ētahi atu mara ahumahi e ai ki ngā hiahia motuhake.
Me mōhio ko te N,N-dimethylaniline he matū paitini, ā, he matū pea ka puta ai he mate pukupuku, nō reira me mātua whai i ngā ture e tika ana i te wā e whakamahia ana me te rokiroki ana kia pai ai te haumaru o ngā kaimahi me te tiaki i te taiao. I taua wā anō, nā te kaha o te pahūtanga, me tino tupato te takai, te rokiroki me te kawe.

浅黄色液体

Ngā Āhuatanga Matū o N,N-Dimethylaniline
Te pūwāhi rewa 1.5-2.5 °C (iritihia)
Te pūmahana koropupū 193-194 °C (iritihia)
kiato 0.956 g/mL i te 25 °C (i te rama)
te mātotoru o te kohu 3 (vs te hau)
te pēhanga kohu 2 mm Hg (25 °C)
taupū whakaata n20/D 1.557(lit.)
Fp 158 °F
pāmahana rokiroki. Penapenahia i raro i te +30°C.
wairewatanga 1.2g/l
āhua Wai
pka 5.15 (i te 25℃)
tae Kōwhai mārama
Te āwhata whanaunga 0.179
PH 7.4 (1.2g/l, H2O, 20℃)
rohe pahūtanga 1.2-7%(V)
Wairewatanga Wai 1 g/L (20 ºC)
Merck 14,3234
BRN 507140
Te Pūmau Ture a Henry 4.98(x 10-6 atm?m3/mol) i te 20 °C (tata - i tatauhia mai i te wairewatanga wai me te pēhanga kohu)

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Te wā tuku: 25-Pepuere-2026