5-Amino-2-bromo-3-methylpyridine (CAS # 38186-83-3)
Hazard Cov Cim | Xn – Ua phem |
Risk Codes | R22 - Ua phem yog tias nqos R41 - Riam phom loj rau qhov muag |
UN IDs | UN 2811 |
HS Code | 2933399 ib |
Hazard Class | 6.1 |
Taw qhia
5-Amino-2-bromo-3-picoline yog cov organic compound nrog cov tshuaj formula C7H8BrN2. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
5-Amino-2-bromo-3-picoline yog cov khoom uas muaj xim dawb mus rau daj daj crystalline daim ntawv. Nws tuaj yeem yaj hauv anhydrous cawv, ethers thiab chlorinated hydrocarbons, tsis muaj solubility hauv dej. Nws melting point yog hais txog 74-78 degrees Celsius.
Siv:
5-Amino-2-bromo-3-picoline, ua ib qho kev sib xyaw nruab nrab, yog siv dav hauv cov organic synthesis. Nws tuaj yeem siv los ua cov khoom pib lossis cov khoom nruab nrab ntawm cov organic synthesis cov tshuaj tiv thaiv, thiab tuaj yeem siv los ua cov khoom sib txuas nrog nitrogen, fluorescent dyes, tshuaj thiab lwm yam tshuaj. Piv txwv li, nws tuaj yeem siv rau hauv kev npaj tshuaj tua kab, dyes, tshuaj thiab lwm yam.
Txoj Kev Npaj:
Txoj kev npaj ntawm 5-Amino-2-bromo-3-picoline tuaj yeem ua tiav los ntawm cov tshuaj tiv thaiv bromination ntawm pyridine. Ib txoj kev siv hluavtaws feem ntau yog ua rau pyridine nrog bromoacetic acid, nyob rau hauv muaj cov kua qaub, muab cov khoom 5-Amino-2-bromo-3-picoline.
Cov ntaub ntawv kev nyab xeeb:
Kev tshawb fawb txog kev nyab xeeb ntawm 5-Amino-2-bromo-3-picoline raug txwv. Txawm li cas los xij, raws li cov khoom siv organic, thov ua raws li cov cai tswj kev nyab xeeb dav dav thaum tuav, suav nrog hnav cov khoom tiv thaiv tsim nyog kom tsis txhob nqus pa, tiv thaiv daim tawv nqaij thiab noj mov. Nws yuav tsum tau muab cia rau hauv qhov chaw qhuav, tsaus thiab khaws cia cais ntawm oxidants, muaj zog acids thiab muaj zog hauv paus.