3 5-Dichloro-2-cyanopyridine (CAS# 85331-33-5)
| Iikhowudi zoMngcipheko | I-R20/21/22 – Iyingozi ngokuphefumla, xa udibana nolusu naxa uginyiwe. R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso. S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo. S36/37 – Nxiba iimpahla ezifanelekileyo zokukhusela kunye neeglavu. |
| Izazisi ze-UN | 3439 |
| WGK eJamani | 3 |
| IKlasi yeeNgozi | 6.1 |
| Iqela lokuPakisha | III |
Intshayelelo
I-2-Cyano-3,5-dichloropyridine i-organic compound kunye ne-chemical formula C6H2Cl2N2. Oku kulandelayo yinkcazo yobume bayo, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko:
Indalo:
I-2-Cyano-3,5-dichloropyridine yinto eqinileyo engenambala okanye emthubi. Inokuguquka okuphantsi kwiqondo lokushisa. Ine-solubility ephantsi emanzini kunye ne-solubility ephezulu kwii-solvents eziphilayo ezifana ne-ethanol kunye ne-dimethylformamide.
Sebenzisa:
I-2-Cyano-3,5-dichloropyridine inoluhlu olubanzi lwezicelo kwi-organic synthesis. Ingasetyenziswa njengendawo ephakathi kwi-synthesis yeentlobo ezahlukeneyo ze-organic compounds (ezifana neziyobisi, iidayi kunye nezibulala-zinambuzane). Ukongeza, inokusetyenziswa njengesixhobo kuphando lwe-organic light-emitting diodes (OLEDs) kunye neziboniso zekristale zamanzi.
Indlela yokulungiselela:
I-2-Cyano-3,5-dichloropyridine inokulungiswa ngokusebenzisa iindlela ezahlukeneyo zokwenziwa. Indlela eqhelekileyo yokwenziwa kukusabela kwi-pyridine ehambelanayo ne-cyanide, elandelwa yi-chlorination ukufumana imveliso.
Ulwazi ngoKhuseleko:
I-2-Cyano-3,5-dichloropyridine ingathathwa njengeyingozi phantsi kweemeko eziqhelekileyo. Isenokucaphukisa indlela yokuphefumla, amehlo kunye nolusu. Ekusetyenzisweni, kufuneka kuthathe amanyathelo afanelekileyo okukhusela, njengokunxiba iiglavu kunye neeglasi. Gwema ukudibanisa kunye ne-oxidizing agents kunye ne-acids eqinile ngexesha lokugcinwa kunye nokuphatha. Ukuba ityhilekile okanye irholile, funa unyango ngokukhawuleza.
