2-Bromo-5-chloropyridine (CAS# 40473-01-6)
| Iikhowudi zoMngcipheko | R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. I-R20/22 – Iyingozi ngokuphefumla kwaye ukuba iginywe. R20/2236/37/38 - I-R20/21/22 – Iyingozi ngokuphefumla, xa udibana nolusu naxa uginyiwe. |
| Inkcazelo yoKhuseleko | S36/37/39 – Nxiba iimpahla ezikhuselayo ezifanelekileyo, iiglavu kunye nokhuseleko lwamehlo/ubuso. S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S22 – Musa ukuphefumla uthuli. S22 26 36/37/39 - S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo. |
| Izazisi ze-UN | Ipholile, yomile, ivalwe ngokuqinileyo |
| Ikhowudi ye-HS | 29339900 |
| IKlasi yeeNgozi | OKUTHUMEKAYO |
Intshayelelo
I-2-Bromo-5-chloropyridine i-organic compound, ilandelayo isingeniso kwezinye iipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi olukhuselekileyo lwe-2-bromo-5-chloropyridine:
Umgangatho:
1. Imbonakalo: I-2-bromo-5-chloropyridine yinto engenambala ukuya kwi-yellow yellow solid.
3. I-Solubility: I-2-bromo-5-chloropyridine ine-solubility efanelekileyo kwii-solvents eziqhelekileyo ze-organic, ezifana ne-ethanol, i-acetone kunye ne-dimethyl thionite ether.
Sebenzisa:
1. I-Chemical reagents: I-2-bromo-5-chloropyridine isoloko isetyenziswa njenge-reagent kwi-organic synthesis.
2. Izibulali zinambuzane: Ikwasetyenziswa ekudityanisweni kwezibulali-zinambuzane njengezinto ezikrwada zokubulala izinambuzane okanye imichiza yokutshabalalisa ukhula.
Indlela:
Ukulungiswa kwe-2-bromo-5-chloropyridine inokufumaneka ngokuphendula kwe-2-chloropyridine nge-hydrobromic acid. Amanyathelo athile abandakanya ukunyibilika kwe-2-chloropyridine kwi-cyclohexane anhydrous, ukongeza i-hydrobromic acid, ukufudumeza ukusabela kunye nokuvuselela, emva kokuphendula kugqityiwe, isigaba se-organic esibangelwayo sahlulwe ngamanzi kunye nesisombululo se-sodium chloride egcweleyo, kwaye imveliso ekujoliswe kuyo ihlanjululwa ngokumisa. unyango kunye distillation.
Ulwazi ngoKhuseleko:
1. I-2-Bromo-5-chloropyridine ineempembelelo ezinokuthi zibe ne-carcinogenic kunye netyhefu kwinkqubo yokuzala, kwaye kufuneka kuthathwe amanyathelo okukhusela ngexesha lokusetyenziswa.
2. Kuphephe ukudibana nolusu namehlo.
3. Xa usebenzisa kwaye ugcina, kufuneka ugcinwe kude nomlilo kunye nemithombo yobushushu.
4. Iimeko ezifanelekileyo zokungenisa umoya kufuneka zigcinwe ngexesha lokusebenza.
5. Nceda ulandele ngokungqongqo iinkqubo ezifanelekileyo zokhuseleko kwaye usebenzise izixhobo zokuzikhusela.
