5-Bromo-2-methylpyridine (CAS # 3430-13-5)
| 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 | 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Hazard Class | IRRITANT |
Taw qhia
5-Bromo-2-methylpyridine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom sib xyaw:
Zoo:
Cov tsos mob: 5-bromo-2-methylpyridine yog cov xim tsis muaj xim lossis daj ntseg daj.
Solubility: Nws tuaj yeem yaj hauv feem ntau cov kuab tshuaj organic thiab muaj cov solubility tsawg hauv dej.
Siv:
Catalyst: Nws kuj tseem siv tau los ua ib qho catalyst rau qee qhov kev cuam tshuam catalyzed.
Txoj kev:
Ib txoj hauv kev zoo rau kev npaj ntawm 5-bromo-2-methylpyridine yog los ntawm brominated 2-methylpyridine. Cov kauj ruam tshwj xeeb yog raws li nram no:
2-methylpyridine yog yaj hauv cov kuab tshuaj.
Ib tug brominating tus neeg sawv cev, xws li bromine dej los yog mercuric chloride, yog ntxiv rau cov tshuaj rau daim ntawv 5-bromo-2-methylpyridine.
Lim thiab crystallize kom tau txais cov khoom ntshiab.
Cov ntaub ntawv kev nyab xeeb:
5-Bromo-2-methylpyridine yog ib qho organobromine compound thiab yuav tsum tau ua tib zoo saib xyuas kom tsis txhob muaj kev sib cuag nrog daim tawv nqaij, qhov muag thiab ua pa.
Tsis txhob nqus nws cov hmoov los yog cov pa uas nws tsim.
Cov hnab looj tes tiv thaiv tsim nyog, tsom iav kev nyab xeeb thiab lub ntsej muag tiv thaiv yuav tsum hnav thaum ua haujlwm.
Thaum siv los yog khaws cia, nws yuav tsum khaws cia kom deb ntawm qhov hluav taws kub thiab oxidants.
Thaum tuav 5-bromo-2-methylpyridine, yuav tsum tau ua raws li cov txheej txheem kev nyab xeeb thiab ua haujlwm nyob rau hauv qhov chaw muaj cua zoo.
