ʻaoʻao_banner

huahana

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

Waiwai Kemika:

ʻĀpana Molekala C6H5Br2N
Molar Mass 250.92
ʻO ka mānoanoa 1.911±0.06 g/cm3 (Wanamua)
Lae Boling 227.9±35.0 °C(Wanamua)
Lae Flash 91.6°C
Puʻupuʻu mahu 0.114mmHg ma 25°C
pKa 1.24±0.20(Wānana ʻia)
Kūlana Waihona E mālama i kahi pōʻeleʻele, Inert ea, lumi wela
Hōʻike Hōʻike 1.593

Huahana Huahana

Huahana Huahana

 

Hoʻolauna

ʻO ka 3,5-Dibromo-2-methylpyriridine kahi mea hoʻohuihui me kahi ʻano kemika o C6H5Br2N. ʻO ke ʻano o ka hoʻololi ʻia ʻana o nā kūlana 2 a me 6 ma ke apo pyridine e nā methyl a me bromine atoms, kēlā me kēia.

 

ʻAno:

ʻO 3,5-Dibromo-2-methylpyriridine he aniani ʻeleʻele ʻeleʻele me ka ʻala ʻala. He paʻa ma ka lumi wela a he haʻahaʻa ka hoʻoheheʻe. He 56-58°C kona wahi hehee a he 230-232°C.

 

E hoʻohana:

Hoʻohana nui ʻia ka 3,5-Dibromo-2-methylpyriridine i ka synthesis organik. Hiki ke hoʻohana ʻia ma ke ʻano he reagent i ka synthesis o nā pūhui organik like ʻole, e like me nā lāʻau lapaʻau, pesticides a me nā mea hoʻonaninani. Eia kekahi, hiki ke hoʻohana ʻia ma ke ʻano he mea kuhikuhi i ka loiloi kemika.

 

Kaʻina hoʻomākaukau:

Hana ʻia ke ʻano hoʻomākaukau o 3,5-Dibromo-2-methylpyriridine e ka hopena alkylation a me ka hopena bromination o pyridine. ʻO ka mua, ua methylated ka 2-kūlana i ka pyridine me kahi mea methylating ma lalo o nā kūlana kumu e hana ai i ka 2-picoline. A laila, hoʻopili ʻia ka 2-methylpyridine me ka bromine e hāʻawi i ka huahana hope 3,5-Dibromo-2-methylpyridine.

 

ʻIke palekana:

ʻO 3,5-Dibromo-2-methylpyridine ka mea hoʻonāukiuki a me ka corrosive a me ka hoʻopili pololei ʻana me ka ʻili, nā maka a me nā membrane mucous pono e pale ʻia. I ka wā o ka hoʻohana ʻana, pono e lawe ʻia nā hana pale pilikino, e like me ke komo ʻana i nā aniani pale a me nā mīkina lima, a me ka hōʻoia ʻana e hana ʻia ka hana ma kahi wahi maikaʻi. Eia kekahi, he mea puhi ia a pono e mālama ʻia mai nā lapalapa ākea a me nā wahi wela kiʻekiʻe. Ina inhaled a inested me ka hewa, oe e imi i ke kauka i ka manawa.


  • Mua:
  • Aʻe:

  • E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou