3 5-DIBROMO-4-CHLOROPYRIDINE (CAS # 13626-17-0)
Risk thiab Safety
| Hazard Cov Cim | T – Toxic |
| Risk Codes | 25 – Toxic yog nqos |
| Kev nyab xeeb piav qhia | 45 - Thaum muaj xwm txheej los sis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (saib daim ntawv lo thaum twg los tau.) |
| UN IDs | UN 2811 6.1 / PGIII |
3 5-DIBROMO-4-CHLOROPYRIDINE (CAS # 13626-17-0) Kev taw qhia
4-chloro-3,5-dibromopyridine (tseem hu ua 4-chloro-3,5-dibromopyridine) yog cov organic compound. Cov hauv qab no yog cov ntaub ntawv hais txog cov khoom, kev siv, kev npaj, thiab kev nyab xeeb ntawm cov compound:
xwm:
-Cov tsos mob: 4-chloro-3,5-dibromopyridine yog xim tsis muaj xim rau daj siv lead ua los yog crystalline hmoov.
-Solubility: Nws yog insoluble nyob rau hauv dej, tab sis soluble nyob rau hauv organic solvents xws li ethanol, acetone, thiab ether.
-Cov khoom siv tshuaj: Nws yog lub hauv paus tsis muaj zog uas tuaj yeem hloov pauv cov tshuaj tiv thaiv, hydrogen bonding, thiab succinyl nucleophilic cov tshuaj tiv thaiv.
Lub hom phiaj:
-Nws tseem tuaj yeem siv los ua cov tshuaj reagent hauv cov chaw kuaj tshuaj.
Txoj kev tsim khoom:
-4-chloro-3,5-dibromopyridine tuaj yeem ua ke los ntawm kev ntxiv cuprous chloride (CuCl) rau 3,5-dibromopyridine thiab cua sov cov tshuaj tiv thaiv.
-Cov txheej txheem synthesis tshwj xeeb tuaj yeem hloov kho raws li qhov xav tau, raws li cov txheej txheem synthesis ntawm cov tebchaw tuaj yeem txhim kho raws li qhov sib txawv thiab cov kev xav tau ntawm cov tshuaj tiv thaiv.
Cov ntaub ntawv kev ruaj ntseg:
-4-chloro-3,5-dibromopyridine muaj qee yam toxicity rau tib neeg lub cev, thiab kev sib cuag lossis nqus tau yuav ua rau khaus thiab raug mob.
-Kev ntsuas kev nyab xeeb tsim nyog yuav tsum tau ua thaum siv lossis tuav cov khoom sib xyaw, xws li hnav hnab looj tes tiv thaiv, tsom iav, thiab khaub ncaws tiv thaiv.
-Thov nyeem thiab ua raws li phau ntawv qhia kev nyab xeeb ntawm cov tshuaj muaj feem xyuam ua ntej siv, thiab ua cov kev sim raws li qhov tsim nyog.
