2 3 5-Trichloropyridine (CAS# 16063-70-0)
Hadari da Tsaro
| Alamomin haɗari | Xi - Haushi |
| Lambobin haɗari | R52/53 - Cutarwa ga halittun ruwa, na iya haifar da illa na dogon lokaci a cikin yanayin ruwa. R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. |
| Bayanin Tsaro | S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci. 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. |
| ID na UN | UN 2811 6.1/PG 3 |
| WGK Jamus | 2 |
| RTECS | Farashin 0525000 |
| HS Code | Farashin 2933990 |
| Bayanin Hazard | Haushi |
2 3 5-Trichloropyridine (CAS# 16063-70-0) Bayani
| gabatarwa | 2,3, 5-trichloropyridine rawaya ce mai ƙarfi kuma muhimmin matsakaicin sinadari mai kyau. 2,3,5-trichloropyridine yana amsawa tare da alkali karfe hydroxide don shirya 3,5-dichloro-2-pyridine phenol, wanda shine muhimmin albarkatun ƙasa don haɓakar mites na kwari da herbicide oxaloether. 2,3, 5-trichloropyridine kuma za a iya ƙara fluorinated don haɗa 2, 3-difluoro-5-chloropyridine, wanda shine ainihin albarkatun ƙasa don haɓakar herbicide alkynurate. |
| shiri | 60g na methanol an saka a cikin 1000ml flask na baki hudu, 100g. An ƙara 2,3,5,6-tetrachloropyridine da 31.7g na hydrazine hydrate, an ɗaga zafin jiki zuwa 60-65 ℃, an dauki nauyin kiyaye zafi na kimanin sa'o'i 2, an gama amsawa, an saukar da zazzabi zuwa 0-5 ℃, zafin jiki da aka saukar zuwa 1 hour, da m aka tace, da m ya 2,3, 5-trichlor6-hydrazinyl pyridine hydrate an bushe don samun 101.6g na farin m tare da 96% yawan amfanin ƙasa da 98.5% abun ciki. Ƙara 100 g 2,3,5-trichloro 6-hydrazinyl pyridine hydrate, 50g na 5% sodium hydroxide ruwa bayani zuwa 1000ml na kwalban baki hudu, tada zazzabi zuwa 70-75 ℃, ƙara 387.6g na 10% sodium hypochlorite ruwa bayani dropwise, kiyaye zafin jiki a 70-75 ℃, amsa don 1 hour, ƙare Da dauki, sanyi zuwa 5-10 ℃, motsawa don 1 hour, tace don samun 2,3, danye 5-trichloropyridine an distilled a ƙarƙashin rage matsa lamba don samun samfurin, wanda shine rawaya mai haske tare da yawan amfanin ƙasa na 95% kuma abun ciki na 98%. |
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