2 3-Dibromopyridine (CAS # 13534-89-9)
Risk thiab Safety
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. |
| Kev nyab xeeb piav qhia | S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36 - Hnav khaub ncaws tiv thaiv zoo. |
| UN IDs | UN 2811 |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Kev Ceeb Toom | Ua phem/Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
2,3-Dibromopyridine (CAS # 13534-89-9) Kev taw qhia
2,3-dibromopyridine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog nws cov khoom, kev siv, kev tsim khoom, thiab cov ntaub ntawv kev nyab xeeb:
xwm:
-2,3-dibromopyridine yog xim tsis muaj xim rau daj ntseg daj nrog cov ntxhiab tsw.
-Nws yog soluble hauv cov kuab tshuaj organic xws li ethanol, dimethylformamide, thiab dichloromethane ntawm chav tsev kub, tab sis insoluble hauv dej.
-Cov khoom sib xyaw no yog rhiab rau lub teeb thiab huab cua thiab yuav tsum muab cia rau hauv lub thawv kaw kom deb ntawm lub teeb.
Lub hom phiaj:
-2,3-dibromopyridine feem ntau yog siv los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis.
-Nws tuaj yeem siv rau kev hloov pauv thiab condensation tshwm sim hauv cov organic synthesis.
Txoj kev tsim khoom:
-Txoj kev niaj hnub rau kev npaj 2,3-dibromopyridine yog los ntawm bromination cov tshuaj tiv thaiv pyridine.
-Ib txoj kev npaj siv feem ntau yog kom sov pyridine hauv cov dej ntshiab bromine rau cov tshuaj tiv thaiv, thiab qhov tshwm sim 2,3-dibromopyridine precipitates los ntawm cov tshuaj tiv thaiv tom qab txias.
Cov ntaub ntawv kev ruaj ntseg:
-2,3-dibromopyridine yog ib qho tshuaj tiv thaiv kab mob uas tuaj yeem ua rau qhov muag thiab tawv nqaij khaus thaum sib cuag.
-Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum hnav thaum ua haujlwm.
-Tsis txhob nqus nws cov plua plav lossis roj, thiab ua haujlwm hauv qhov chaw muaj cua zoo.
Sau koj cov lus ntawm no thiab xa tuaj rau peb
