3-Bromo-2-methylpyridine (CAS # 38749-79-0)
| Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag 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. S36/39 - 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
2-methyl-3-bromopyridine 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:
2-Methyl-3-bromopyridine yog cov kua tsis muaj xim uas muaj ntxhiab tsw zoo li pyridine.
Siv:
2-Methyl-3-bromopyridine feem ntau yog siv los ua reagent thiab nruab nrab hauv cov organic synthesis.
Txoj kev:
Feem ntau, kev npaj ntawm 2-methyl-3-bromopyridine tuaj yeem ua tiav los ntawm cov tshuaj tiv thaiv bromination ntawm pyridine. Ib txoj hauv kev uas siv los ua ke yog los ua 2-methylpyridine nrog bromine hauv cov organic hnyav xws li chloroform, siv sodium hydroxide ua catalyst.
Cov Lus Qhia Txog Kev Nyab Xeeb: Nws yog cov tshuaj lom neeg uas yuav ua rau muaj kev kub ntxhov thiab kev puas tsuaj rau tib neeg txoj kev ua pa, tawv nqaij, thiab qhov muag. Cov cuab yeej tiv thaiv tus kheej tsim nyog xws li hnab looj tes tshuaj, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum tau hnav thaum siv thiab tiv thaiv kev sib cuag ncaj qha. Thaum khaws cia thiab tuav, nws yog ib qho tsim nyog yuav tsum tau xyuam xim rau qhov hluav taws kub thiab lub teeb, thiab xyuas kom meej tias nws nyob deb ntawm qhov hluav taws kub thiab qhov hluav taws kub. Qhov tseem ceeb tshaj plaws, ua raws li cov txheej txheem ua haujlwm nyab xeeb rau cov tshuaj thiab ua raws li cov kev cai cuam tshuam.
