5-Bromo-2-methoxy-4-methylpyridine (CAS # 164513-39-7)
Risk thiab Safety
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 - Hnav khaub ncaws tiv thaiv zoo. |
WGK Germany | 3 |
HS Code | 29339900 ib |
Hazard Class | IRRITANT |
5-Bromo-2-methoxy-4-methylpyridine (CAS # 164513-39-7) Kev taw qhia
2-Methoxy-4-methyl-5-bromopyridine yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
2-Methoxy-4-methyl-5-bromopyridine yog ib yam khoom nrog dawb mus rau daj daj crystals nrog ib tug peculiar tsw.
Siv:
2-Methoxy-4-methyl-5-bromopyridine yog ib qho reagent feem ntau siv hauv cov organic synthesis. Nws yog feem ntau siv rau hauv cov tshuaj tiv thaiv catalytic hauv cov organic synthesis xws li Suzuki-Miyaura cov tshuaj tiv thaiv, Heck cov tshuaj tiv thaiv, thiab lwm yam.
Txoj kev:
Cov txheej txheem ntawm kev npaj 2-methoxy-4-methyl-5-bromopyridine feem ntau ua tiav los ntawm halogenation thiab hloov pauv cov tshuaj pyridine. Tshwj xeeb, pyridine thiab cawv tuaj yeem tshwm sim los npaj 2-methoxy-4-methylpyridine, thiab tom qab ntawd brominated kom tau txais cov khoom lag luam.
Cov ntaub ntawv kev nyab xeeb:
2-Methoxy-4-methyl-5-bromopyridine yuav tsum muab khaws cia rau hauv lub thawv kaw kom tsis txhob muaj huab cua thiab noo noo. Thaum siv, yuav tsum tau saib xyuas kev tiv thaiv, xws li hnav hnab looj tes thiab tsom iav. Tsis txhob nqus, noj, lossis tiv nrog daim tawv nqaij. Kev ceev faj yuav tsum tau them rau kev siv cov cuab yeej ua pa thaum tuav lossis ua haujlwm, thiab cov txheej txheem kev nyab xeeb yuav tsum raug soj ntsuam. Yog tias qhov nqus tau, noj, lossis kev sib cuag ntawm daim tawv nqaij tshwm sim, nrhiav kev kho mob sai.