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3 5-Dibromo-2-methylpyridine(CAS# 38749-87-0)

Āhuatanga matū:

Tātai rāpoi C6H5Br2N
Molar Mass 250.92
Kiato 1.911±0.06 g/cm3(Whakaahua)
Piro Pouri 227.9±35.0 °C(Te Matapae)
Tohu Kohiko 91.6°C
Kohu Kohu 0.114mmHg i te 25°C
pKa 1.24±0.20(I Matapaetia)
Tikanga Rokiroki Kia mau ki roto i te waahi pouri, te hau koretake, te pāmahana rūma
Taurangi Refactive 1.593

Taipitopito Hua

Tohu Hua

 

Kupu Whakataki

Ko te 3,5-Dibromo-2-methylpyriridine he pūhui waro me te tauira matū o C6H5Br2N. Ko te hanganga ko nga tuunga 2 me te 6 i runga i te mowhiti pyridine ka whakakapihia e nga ngota methyl me te bromine.

 

Taiao:

Ko te 3,5-Dibromo-2-methylpyriridine he karaihe kore tae ki te kowhai kowhai me te kakara reka. He totoka i te pāmahana rūma, he ngawari te whakarewatanga. He 56-58°C te ira whakarewa me te 230-232°C te ira whakarewa.

 

Whakamahia:

Ko te 3,5-Dibromo-2-methylpyriridine e whakamahia nuitia ana i roto i te whakahiato waro. Ka taea te whakamahi hei reagent i roto i te whakahiato o nga momo puhui pararopi, penei i nga raau taero, pesticides me nga waikano. I tua atu, ka taea hoki te whakamahi hei rauemi tohutoro mo te tātari matū.

 

Tikanga Whakaritenga:

Ko te tikanga whakarite o te 3,5-Dibromo-2-methylpyriridine i te nuinga o te wa ka mahia e te tauhohenga alkylation me te tauhohenga bromination o te pyridine. Tuatahi, ko te 2-turanga i roto i te pyridine ka methylated me te kaihoko methylating i raro i nga tikanga taketake hei hanga i te 2-picoline. Na, ka tauhohehia te 2-methylpyridine ki te bromine kia hoatu te hua whakamutunga 3,5-Dibromo-2-methylpyridine.

 

Mōhiohio Haumaru:

Ko te 3,5-Dibromo-2-methylpyridine he whakapataritari me te kino me te whakapiri tika ki te kiri, nga kanohi me nga kiriuhi mucous me karohia. I te wa e whakamahia ana, me mahi nga tikanga whakamarumaru whaiaro, penei i te mau karaehe whakamarumaru me nga karapu, me te whakarite kia whakahaerehia te mahi ki tetahi waahi pai. I tua atu, he matū muramura ano hoki, me noho matara atu i nga mura ahi me nga taiao teitei o te wera. Mena kua pohehe koe i te hongi, i horomia ranei, me rapu wawe koe ki te rongoa.


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