2-Cyano-4-methylpyridine (CAS# 1620-76-4)
Hadari da Tsaro
| Alamomin haɗari | Xi - Haushi |
| Lambobin haɗari | R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi. R41 - Hadarin mummunan lalacewa ga idanu R37 / 38 - Haushi ga tsarin numfashi da fata. R22 - Yana cutarwa idan an haɗiye shi R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. |
| Bayanin Tsaro | S22 - Kada ku shaka kura. S36/37 - Sanya tufafin kariya da safar hannu masu dacewa. S39 – Sa ido/kariyar fuska. 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. |
| ID na UN | 3276 |
| WGK Jamus | 3 |
| HS Code | Farashin 2933990 |
| Matsayin Hazard | 6.1 |
| Rukunin tattarawa | III |
2-Cyano-4-methylpyridine (CAS# 1620-76-4) Bayani
| Aikace-aikace | 2-cyano-4-methylpyridine shine tsaka-tsakin kwayoyin halitta, wanda za'a iya fara oxidized daga 4-methylpyridine don shirya 4-Methyl-pyridine-N-oxide, sa'an nan kuma canza shi tare da ƙungiyar cyano don samun. 4-methyl-pyridine-N-oxide za a iya amfani da shi don shirya 4-methyl -2, 6-dicarboxypyridine, 4-methyl -2, 6-dicarboxypyridine ne mai matukar amfani da pyridine da aka samu kuma wani tsaka-tsaki mai mahimmanci mai mahimmanci, wanda aka yi amfani da shi sosai. a fagen kantin magani. |
| shiri | 4-methyl-pyridine-N-oxide (0.109g,1mmol), trimethylcyanosilane (0.119g,1.2mmol), H-diethyl phosphite (0.276g,2mmol), carbon tetrachloride (0.308g, 2mmol), triethylamine (0.202g, 2 mmol) da acetonitrile 10ml a cikin wani 50ml flask na baki uku, amsa a dakin da zafin jiki na 6h. Bayan da aka kammala dauki, an cire sauran ƙarfi a ƙarƙashin rage matsa lamba kuma an raba shi ta hanyar chromatography na shafi (petroleum ether / ethyl acetate, V / V = 4: 1) don samun fili mai launi mara launi tare da 80% yawan amfanin ƙasa. |
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