2-Bromo-3-methyl-5-chloropyridine (CAS# 65550-77-8)
| Iikhowudi zoMngcipheko | R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. I-R41 – Umngcipheko womonakalo omkhulu emehlweni I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu. I-R22 – Iyingozi xa iginyiwe |
| Inkcazelo yoKhuseleko | I-S37/39 -Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S39 –Nxiba ukhuseleko lwamehlo / ubuso. |
Intshayelelo
I-2-Bromo-5-chloro-3-picoline i-organic compound kunye ne-chemical formula C7H6BrClN. Oku kulandelayo yinkcazo yeepropati, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko lwekhompawundi:
Indalo:
-Inkangeleko: 2-Bromo-5-chloro-3-picoline lulwelo olungenambala okanye kancinci emthubi.
-I-Solubility: I-soluble kwi-solvents ezininzi zezinto eziphilayo, ezifana ne-ethanol, i-dimethylformamide kunye ne-chloroform.
-Iqondo lokunyibilika kunye nendawo yokubilisa: Indawo yokunyibilika ye-compound malunga ne -35 ° C, kwaye indawo yokubilisa malunga ne-205-210 ° C.
Sebenzisa:
- I-2-Bromo-5-chloro-3-picoline ingasetyenziswa njengento yokuqala okanye ephakathi kwi-organic synthesis, kwaye ingasetyenziselwa ukudibanisa ezinye iikhompawundi, ezifana ne-pesticides kunye neziyobisi.
-Ikwasetyenziswa ngokubanzi kwi-synthetic intermediates, i-polychlorinated biphenyls, i-polybrominated biphenyls kunye ne-pigments.
Indlela yokulungiselela:
- I-2-Bromo-5-chloro-3-picoline idla ngokulungiswa nge-bromination kunye ne-chlorination ye-3-picoline. Okokuqala, i-3-methylpyridine iphendulwa nge-hydrogen bromide ukufumana i-2-bromo-5-methylpyridine, kwaye ke imveliso iphendulwa nge-metal chloride catalyst ukufumana imveliso ekujoliswe kuyo.
Ulwazi ngoKhuseleko:
- I-2-Bromo-5-chloro-3-picoline ngokuqhelekileyo ayibangeli umonakalo omkhulu phantsi kweemeko zokusetyenziswa eziqhelekileyo. Nangona kunjalo, kunokucaphukisa amehlo, ulusu kunye nomgudu wokuphefumula, ngoko kufuneka kuthathelwe ingqalelo ukuphepha ukudibanisa ngokuthe ngqo.
-Sebenzisa ngezixhobo ezifanelekileyo zokukhusela, ezinjengeeglavu zekhemikhali, izibuko kunye nezikhuselo zobuso.
-Iindlela ezifanelekileyo zelabhoratri kufuneka zilandelwe ngexesha lokusetyenziswa kwaye kugcinwe umoya ococekileyo.
-Gwema ukudibana nee-oxidants ezinamandla kunye ne-acids ezomeleleyo ngexesha lokuphatha nokugcina.
