2 5-Dichloro-3-nitropyridine (CAS# 21427-62-3)
| Lambobin haɗari | R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. R22 - Yana cutarwa idan an haɗiye shi R43 - Yana iya haifar da hankali ta hanyar saduwa da fata R41 - Hadarin mummunan lalacewa ga idanu R37 / 38 - Haushi ga tsarin numfashi da fata. R25 - Mai guba idan an haɗiye shi |
| Bayanin Tsaro | S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska. S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. 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.) |
| ID na UN | 2811 |
| WGK Jamus | 1 |
| HS Code | Farashin 2933990 |
| Bayanin Hazard | Mai cutarwa |
| Matsayin Hazard | 6.1 |
| Rukunin tattarawa | Ⅲ |
Gabatarwa
2,5-Dichloro-3-nitropyridine wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga kaddarorin sa, amfaninsa, hanyoyin masana'anta da bayanan aminci:
inganci:
- Bayyanar: 2,5-Dichloro-3-nitropyridine mara launi zuwa kodadde rawaya crystal.
- Solubility: Yana da narkewa a cikin abubuwan kaushi na halitta kamar ethanol, dimethyl ether da chloroform, amma ƙasa mai narkewa cikin ruwa.
- Kwanciyar hankali: Filin yana da kwanciyar hankali a dakin da zafin jiki, amma yana da fashewa a yanayin zafi mai yawa ko kuma yana hulɗa da ma'aikatan oxidizing masu karfi.
Amfani:
- Maganin kashe kwari: Ana iya amfani dashi azaman maganin kwari kuma yana da tasiri mai kyau akan wasu kwari.
Hanya:
Hanyar haɗakarwa ta 2,5-dichloro-3-nitropyridine yawanci ya haɗa da amsawar nitrification da halayen chlorination. Daga cikin su, hanyar haɗakar gargajiya ita ce nitrate 2,5-dichloropyridine tare da nitric acid a gaban sulfuric acid. Wata hanyar ita ce amsa 2-nitro-5-chloropyridine tare da acidic jan ƙarfe bromide don samar da 2,5-dichloro-3-nitropyridine.
Bayanin Tsaro:
- 2,5-Dichloro-3-nitropyridine wani sinadari ne wanda ke buƙatar kulawa da kulawa don hana shi shiga cikin fata, idanu, da tsarin numfashi.
- Sanya kayan kariya masu dacewa, gami da kayan kariya, safar hannu, da garkuwar fuska, lokacin aiki.
- Yayin aiki, guje wa shakar iskar gas, hazo ko tururi da kuma kula da samun iska mai kyau.
- Idan ana saduwa da fata ko idanu, kurkura nan da nan da ruwa mai yawa sannan a tuntubi likita.
- Lokacin adanawa, 2,5-dichloro-3-nitropyridine yakamata a ajiye shi a bushe, sanyi, wuri mai kyau, nesa da kunnawa da oxidants.
