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imveliso

2 5-DICHLORO-3-PICOLINE (CAS# 59782-88-6)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H5Cl2N
IMisa yeMolar 162.02
Ukuxinana 1.319
Indawo yokunyibilika 42-45℃
Indawo yeBoling 187℃
Indawo yokuflasha 111℃
Uxinzelelo loMphunga 0.891mmHg ku-25°C
pKa -0.23±0.10(Kuxelwe kwangaphambili)
Imeko yoGcino Umoya ophantsi, uBubushushu beGumbi
Refractive Index 1.547

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi T – Inetyhefu
Iikhowudi zoMngcipheko I-R25 – Inetyhefu xa iginyiwe
R36 – Iyandicaphukisa emehlweni
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
Izazisi ze-UN UN 2811 6.1 / PGIII
WGK eJamani 3
IKlasi yeeNgozi OKUTHUMEKAYO

 

Intshayelelo

I-2,5-Dichloro-3-methylpyridine i-organic compound. Oku kulandelayo sintshayelelo kwezinye iipropati zayo, ukusetyenziswa, iindlela zokuvelisa kunye nolwazi lokhuseleko:

 

Iipropati: 2,5-Dichloro-3-methylpyridine lulwelo olungenambala okanye olutyheli olunokutsha.

 

Ukusetyenziswa: I-2,5-Dichloro-3-methylpyridine idla ngokusetyenziswa njengento ebalulekileyo ephakathi kwi-organic synthesis. Isenokusetyenziswa njengenxalenye kwizinyibilikisi, izinto zokuthambisa, kunye nezithambisi.

 

Indlela yokulungiselela: Kukho iindlela ezininzi zokulungisa i-2,5-dichloro-3-methylpyridine. Indlela eqhelekileyo kukufumana imveliso ephakathi ngokuphendula i-methylpyridine nge-thionyl chloride, kunye ne-chlorination ukuvelisa imveliso ekujoliswe kuyo. Ezinye iindlela zokulungiselela ziquka ukunciphisa kunye nokuphendula kwe-chlorination, phakathi kwabanye.

 

Ulwazi lokhuseleko: I-2,5-dichloro-3-methylpyridine kufuneka isetyenziswe kwinkqubo yokhuseleko. Iyacaphukisa kwaye iyingozi emehlweni, ulusu, kunye nendlela yokuphefumla kwaye kufuneka ihlanjululwe ngamanzi amaninzi ngokukhawuleza emva kokudibanisa. Xa usebenza, kufuneka kunxitywe izixhobo ezifanelekileyo zokukhusela ezifana neendondo zokukhusela, iiglavu kunye nempahla yokukhusela. Qinisekisa indawo yokusebenza enomoya owaneleyo kwaye uphephe ukuphefumla umphunga wayo. Xa uyigcina, yigcine kwindawo engenamoya, epholileyo, neyomileyo, kude nomlilo kunye nee-oxidants.


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