2-Chloro-3 5-dibromopyridine (CAS # 40360-47-2)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S37 - Hnav cov hnab looj tes tsim nyog. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag |
| Hazard Class | IRRITANT |
Taw qhia
2-Chloro-3,5-dibromopyridine yog cov organic compound nrog cov tshuaj formula C5H2Br2ClN. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev tsim thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
- 2-Chloro-3,5-dibromopyridine yog ib qho khoom, tsis muaj xim rau daj ntseg daj. Nws muaj qhov kub ntawm 61-63 ° C thiab kub ntawm 275-280 ° C.
-Nws muaj zog solubility, soluble nyob rau hauv feem ntau cov organic solvents, xws li ethanol, dimethylformamide thiab dichloromethane.
Siv:
- 2-Chloro-3,5-dibromopyridine yog dav siv nyob rau hauv cov organic synthesis tshuaj raws li ib tug tseem ceeb nruab nrab. Nws tuaj yeem siv rau hauv kev sib txuas ntawm cov tshuaj tshiab, tshuaj tua kab thiab lwm cov organic tebchaw.
-Nws tseem tuaj yeem siv los ua cov hlau corrosion inhibitor thiab ua ntej rau cov khoom siv kho qhov muag.
Txoj Kev Npaj:
- 2-Chloro-3,5-dibromopyridine tuaj yeem npaj tau los ntawm kev ua haujlwm ntawm 3,5-dibromopyridine nrog cov tshuaj chlorinating. Piv txwv li, dibromopyridine tuaj yeem chlorinated siv sulfoxide thiab chlorine nyob rau hauv qhov tsim nyog cov tshuaj tiv thaiv los muab cov khoom.
Cov ntaub ntawv kev nyab xeeb:
- 2-Chloro-3,5-dibromopyridine yog ib qho tshuaj lom neeg thiab yuav tsum tau saib xyuas kom tsis txhob nqus tau, sib cuag nrog daim tawv nqaij thiab noj. Hnav cov khoom tiv thaiv tus kheej tsim nyog xws li hnab looj tes tiv thaiv, tsom iav thiab qhov ncauj qhov ntswg thaum siv.
-Thaum tuav thiab khaws cia 2-Chloro-3,5-dibromopyridine, ua raws li cov txheej txheem kev nyab xeeb ntawm kev ua haujlwm thiab xyuas kom muaj qhov chaw ua haujlwm zoo.
-Thaum muaj kev sib chwv los yog nqus pa, nrhiav kev kho mob tam sim ntawd deb ntawm qhov chaw nyob.
