rongo

WHAKAMAHI
Ko te N,N-dihydroxyethyl-p-methylaniline he takawaenga pararopi e whakamahia nuitia ana mo nga waikano, rongoa me nga pesticides. Ko te roopu ester i runga i te roopu amino kapeka ka pai ake te ahua o tenei momo waikano. Mai i tana whakaritenga, kua noho tonu ia ki tetahi maakete. I tenei wa, he nui te hiahia o te kainga, a, kei te noho tonu te maakete ki waho. Ko te ako i tana whakahiato me te hangarau he nui te hiranga ohaoha me te mahi.

Tikanga whakahiato
N, N-dihydroxyethyl-p-methylaniline ka taea te synthesized e nga mahi e whai ake nei: tāpirihia te 1000g p-methylaniline me te 10g wai ki roto i te 5L pehanga ipu, whakaarahia te pāmahana Puka Matū ki te 60 ℃ ~ 65 ℃, whakaoho mo te 30 meneti, me te taapiri i te ethylene. waikura Tāpirihia he 100 karamu o te alkane ka pupuri i te mahana ki te 65-70°C mo te 4 haora. Kātahi ka tāpirihia te 100 karamu o te ethylene oxide i roto i te 4 hāora, pupuri i te mahana ki te 70-75°C, tauhohe i te 70-80°C mo te 3 haora i muri i te paahitanga, ka whakamatao ki te 30°C. Tāpirihia te otinga tauhohenga ki te kōrere māturu ka kohia te hua ki te 143~148°C (1.3~1.6kPa). Ko te hua ko te 86% me te maamaa o te hua he nui ake i te 98%. Ko te hautau o mua ka taea te hangarua kia nui ake te hua. Ko te hua he totoka kowhai marama.

 

固体

2,2′-(P-TOLYLIMINO)DIETHANOL Āhuatanga matū
Ira whakarewa 49-53 °C (marama)
Ira kohua 338-340 °C (marama)
kiato 1.0654 (whakatau tata)
pehanga kohu 0Pa i te 25 ℃
taupū huritao 1.5330 (whakatau tata)
Fp >230 °F
pāmahana rokiroki. Te hau hau, Te Pamahana o te rūma
memehatanga whakarewa ki te Methanol
hanga paura ki te putunga ki te wai maemaa
pka 14.33±0.10(Te Matapae)
te tae White, te Tae ranei ki te Kowhai ki te Karaka
Wairewa 19.8g/L i te 20 ℃
BRN 2099156
InChIKey JUVSRZCUMWZBFK-UHFFFAOYSA-N
Rangitaki 2 ki te 35 ℃
Tohutoro Paparanga Raraunga CAS 3077-12-1(Taunga Raraunga CAS Tohutoro)
Pūnaha Rehita Matū EPA Ethanol, 2,2′-[(4-methylphenyl)imino]bis- (3077-12-1)10mit-ivy ahumahi008613805212761

Nga korero Whakapā

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Te wa tuku: Akuhata-21-2024