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imveliso

I-5-bromo-3-chloropyridine-2-carbonitrile (CAS# 945557-04-0)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H2BrClN2
IMisa yeMolar 217.45
Ukuxinana 1.85±0.1 g/cm3(Kuxelwe kwangaphambili)
Indawo yeBoling 289.0±35.0 °C(Kuxelwe kwangaphambili)
pKa -4.96±0.20(Kuxelwe kwangaphambili)
Imeko yoGcino Gcina kwindawo emnyama, umoya ongena ngaphakathi, ubushushu begumbi

Iinkcukacha zeMveliso

Iithegi zeMveliso

 

Intshayelelo

I-5-Bromo-3-chloro-2-cyanopyridine i-organic compound. Yikristale engenambala eqinileyo.

 

Ikhompawundi inezi mpawu zilandelayo:

Ubuninzi: 1.808 g/cm³

Ukunyibilika: kunyibilika kancinane emanzini, kunyibilika kwizinyibilikisi eziphilayo ezifana ne-ethanol kunye ne-dimethyl sulfoxide.

Ukusetyenziswa kwayo kuxhomekeke kuphando oluthile kunye neemfuno zemveliso.

 

Iindlela eziqhelekileyo zokulungiselela i-5-bromo-3-chloro-2-cyanopyridine zezi:

I-5-bromo-3-chloropyridine kunye ne-potassium cyanide ziphendulwa kwisisombululo sotywala ukwenza i-5-bromo-3-chloro-2-cyanopyridine.

Imveliso ekujoliswe kuyo ifunyenwe nge-cyanidation ye-5-bromo-3-chloropyridine.

 

Xa usebenzisa kunye nokuphatha i-5-bromo-3-chloro-2-cyanopyridine, le ngcaciso yokhuseleko ilandelayo kufuneka iqatshelwe:

Ukuphefumla, ukuhlafuna, okanye ukudibana kwesikhumba kufuneka kuphetshwe. Kufuneka kunxitywe izixhobo ezizizo zokhuseleko ezifana neeglavu zekhemikhali, iiglavu kunye needyasi zelebhu.

Kufuneka iqhutywe kwindawo enomoya kakuhle ukuphepha ukuveliswa kothuli okanye umphunga.

Inkunkuma kufuneka ilahlwe ngokuhambelana nemigaqo yendawo kwaye akufanele ilahlwe ngokungenamkhethe.

Phambi kokwenza naluphi na uvavanyo lwekhemikhali, nceda uqinisekise ukuba unolwazi oluyimfuneko kunye nezakhono zokhuseleko lwaselabhoratri kwilebhu yemichiza.


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