4-BROMO-3 5-DICHLOROPYRIDINE(CAS# 343781-45-3)

Gabatarwa

4-Bromo-3,5-dichloropyridine wani nau'in halitta ne tare da tsarin sinadaran C5H2BrCl2N. Mai zuwa shine bayanin yanayinsa, amfaninsa, shirye-shiryensa da bayanan aminci:

Hali:

4-Bromo-3,5-dichloropyridine kristal ne mara launi ko kodadde rawaya mai wari na musamman. Matsayin narkewar sa yana tsakanin 80-82°C kuma wurin tafasarsa yana tsakanin 289-290°C. Ba shi da narkewa a cikin ruwa a yanayin zafi na al'ada, amma yana narkewa a cikin kaushi na halitta kamar ethanol da chloroform.

Amfani:

4-Bromo-3,5-dichloropyridine ana amfani dashi sosai a cikin masana'antar sinadarai. Yana da mahimmancin tsaka-tsaki na mahadi na pyridine kuma za'a iya amfani dashi a cikin haɗuwa da sauran kwayoyin halitta da kwayoyi. Yana da kyakkyawar kwanciyar hankali da haɓaka aiki, kuma ana iya amfani da shi azaman mai kara kuzari, ligand, rini da albarkatun gwari.

Hanyar Shiri:

Hanyar shiri na 4-Bromo-3,5-dichloropyridine ana samun gabaɗaya ta hanyar maye gurbin pyridine. Hanyar shirye-shiryen da aka saba amfani da ita ya haɗa da amsawar pyridine tare da bromine da ferric chloride, kuma ana aiwatar da canjin canji a ƙarƙashin yanayin da ya dace don samun samfurin da aka yi niyya. Tsarin shirye-shiryen yana buƙatar sarrafa zafin jiki na amsawa, ƙimar pH da lokacin amsawa da sauran sigogi don samun samfuran tsabta.

Bayanin Tsaro:

4-Bromo-3,5-dichloropyridine abu ne mai ingantacciyar kwanciyar hankali da aminci a ƙarƙashin yanayin gabaɗaya, amma har yanzu ya zama dole a kula da aiki mai aminci. Yana iya shiga jiki ta hanyar shakar numfashi, saduwa da fata da kuma sha. Shakar yawan iskar gas da ƙura na iya haifar da haushi, haifar da rashin jin daɗi na numfashi da ido. Tuntuɓar fata na iya haifar da ja, tingling da rashin lafiyan halayen. Yin amfani da fili na iya haifar da rashin jin daɗi na ciki da sakamako masu guba. Don haka, yakamata a sanya kayan kariya da suka dace yayin amfani don gujewa tuntuɓar kai tsaye da shakar numfashi. Idan aka samu hatsarori, sai a yi maganin gaggawa cikin lokaci sannan a tuntubi kwararru. Bugu da ƙari, ya kamata a adana shi a cikin busassun wuri, iska mai iska, daga wuta da kuma abubuwan da ke da iskar oxygen.