2-Bromo-3-methyl-5-chloropyridine (CAS# 65550-77-8)
| Lambobin haɗari | R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. R41 - Hadarin mummunan lalacewa ga idanu R37 / 38 - Haushi ga tsarin numfashi da fata. R22 - Yana cutarwa idan an haɗiye shi |
| Bayanin Tsaro | S37/39 - Sanya safofin hannu masu dacewa da kariya / ido S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S39 – Sa ido/kariyar fuska. |
Gabatarwa
2-Bromo-5-chloro-3-picoline fili ne na kwayoyin halitta tare da dabarar sinadarai C7H6BrClN. Mai zuwa shine bayanin kaddarorin, amfani, shiri da bayanan aminci na fili:
Hali:
-Bayyana: 2-Bromo-5-chloro-3-picoline ruwa ne mara launi ko dan kadan.
-Solubility: Solubility a yawancin kaushi na kwayoyin halitta, irin su ethanol, dimethylformamide da chloroform.
-Mai narkewa da wurin tafasa: Wurin narkewar fili yana kusan -35°C, kuma wurin tafasa yana kusan 205-210°C.
Amfani:
- 2-Bromo-5-chloro-3-picoline za a iya amfani dashi azaman kayan farawa ko tsaka-tsaki a cikin ƙwayoyin halitta, kuma ana iya amfani dashi don haɗa wasu mahadi, kamar magungunan kashe qwari da magunguna.
- Har ila yau, ana amfani da shi sosai a cikin tsaka-tsakin roba, polychlorinated biphenyls, polybrominated biphenyls da pigments.
Hanyar Shiri:
- 2-Bromo-5-chloro-3-picoline yawanci ana shirya shi ta hanyar bromination da chlorination na 3-picoline. Na farko, 3-methylpyridine yana amsawa tare da hydrogen bromide don samun 2-bromo-5-methylpyridine, sa'an nan kuma samfurin yana amsawa da karfe chloride mai kara kuzari don samun samfurin da aka yi niyya.
Bayanin Tsaro:
- 2-Bromo-5-chloro-3-picoline gabaɗaya baya haifar da babbar illa a ƙarƙashin yanayin amfani na yau da kullun. Duk da haka, yana iya zama mai ban sha'awa ga idanu, fata da kuma numfashi, don haka ya kamata a kula don kauce wa hulɗar kai tsaye.
-Amfani da kayan kariya masu dacewa, kamar safofin hannu na sinadarai, tabarau da garkuwar fuska.
-Ya kamata a bi kyawawan ayyukan dakin gwaje-gwaje yayin amfani da kuma kula da samun iska mai kyau.
-A guji hulɗa tare da oxidants mai ƙarfi da acid mai ƙarfi yayin sarrafawa da adanawa.
