3 5-DIBROMO-2-FLUOROPYRIDINE(CAS# 473596-07-5)
| Lambobin haɗari | R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi. R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. R25 - Mai guba idan an haɗiye shi |
| Bayanin Tsaro | S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S36 - Sanya tufafin kariya masu dacewa. S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.) |
| Matsayin Hazard | HAUSHI |
Gabatarwa
3,5-Dibromo-2-fluoropyridine wani fili ne na kwayoyin halitta tare da tsarin sinadaran C5H2Br2FN. Mai zuwa shine bayanin yanayin sa, amfaninsa, tsarawa da bayanan aminci:
Hali:
- 3,5-Dibromo-2-fluoropyridine wani abu ne mai ƙarfi tare da bayyanar farin crystalline.
- Matsayin narkewar sa shine 74-76 ℃, kuma wurin tafasarsa shine 238-240 ℃.
-Ba shi da narkewa a cikin ruwa a yanayin zafi, amma ana iya narkar da shi a cikin wasu kaushi na halitta kamar ether da ethanol.
Amfani:
- 3,5-Dibromo-2-fluoropyridine wani muhimmin tsaka-tsaki mai mahimmanci wanda aka yi amfani da shi a cikin halayen halayen kwayoyin halitta.
-Ana iya amfani dashi azaman albarkatun ƙasa don kayan aikin photovoltaic na halitta, kuma ana iya amfani dashi don shirya magunguna, rini da magungunan kashe qwari.
Hanyar Shiri:
- 3,5-Dibromo-2-fluoropyridine za a iya shirya ta hanyar amsawar pyridine iodide da cuprous bromide.
Na farko a narkar da cuprous bromide da pyridine iodide a dimethyl sulfoxide a dakin da zafin jiki don samar da reactant, sa'an nan a hankali ƙara azurfa fluoride dropwise a ƙananan zafin jiki, kuma a karshe zafi har sai da dauki ya kammala.
Bayanin Tsaro:
- 3,5-Dibromo-2-fluoropyridine yana da ban sha'awa ga fata da idanu, kuma ya kamata a kula da matakan kariya lokacin da ake hulɗa da su.
-Ku kula da samun iska mai kyau yayin amfani da wannan fili.
-Yana rubewa a yanayin zafi mai zafi zai haifar da iskar gas mai cutarwa, kuma wajibi ne a guje wa bude wuta ko yanayin zafi mai zafi.
- Ajiye shi a cikin hanyar da aka rufe kuma ku guje wa haɗuwa da oxidants da acid mai karfi don guje wa halayen haɗari.
