3-Bromo-2-hydroxy-5-(trifluoromethyl)pyridine (CAS # 76041-73-1)
| Risk Codes | 25 – Toxic yog nqos |
| Kev nyab xeeb piav qhia | 45 - Thaum muaj xwm txheej los sis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (saib daim ntawv lo thaum twg los tau.) |
| HS Code | 2933399 ib |
| Hazard Class | IRRITANT |
Taw qhia
2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)-(2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)-) yog cov organic compound. Nws muaj cov qauv molecular ntawm C6H3BrF3NO thiab molecular hnyav ntawm 218.99g / mol. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev tsim thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: 2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)-yog cov khoom, feem ntau yog dawb mus rau lub teeb daj.
- Melting point: Nws melting point yog 90-93 ° C.
-Solubility: 2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)-muaj qee yam solubility hauv cov organic solvents, xws li ethanol, ether thiab chloroform.
Siv:
-Kev tshawb fawb tshuaj: 2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)- tuaj yeem siv los ua cov tshuaj reagent lossis nruab nrab hauv cov organic synthesis. Nws feem ntau yog siv los tsim cov pob txha ntawm cov organic molecules hauv cov hlau-catalyzed cov tshuaj tiv thaiv.
-Kev txhim kho tshuaj: Vim nws cov qauv tshwj xeeb thiab cov khoom siv tshuaj, nws tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev tsim tshuaj, xws li tshuaj tiv thaiv kab mob, tshuaj tiv thaiv kab mob, thiab lwm yam.
Txoj Kev Npaj:
2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)- tuaj yeem ua ke los ntawm ntau txoj hauv kev, hauv qab no yog ib txoj hauv kev sib xyaw ua ke:
2-hydroxyl pyridine yog reacted nrog magnesium bromide los tsim 2-hydroxyl -3-bromopyridine. Cov 3-bromopyridine ces reacted nrog fluoromethyllithium muab 2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)-. Cov synthesis feem ntau yog nqa tawm hauv cov kuab tshuaj organic, xws li dimethyl sulfoxide, thiab ntawm qhov kub thiab txias.
Safety Information: Kev nyab xeeb ntawm
- 2(1H)-Pyridinone, 3-bromo-5-(trifluoromethyl)- tseem tsis tau raug soj ntsuam kom meej, yog li yuav tsum tau saib xyuas thaum tuav thiab khaws cia. Cov neeg siv tau qhia kom hnav cov khoom tiv thaiv tus kheej tsim nyog, xws li cov hnab looj tes (lab) thiab tiv thaiv qhov muag. Tsis txhob nqus nws cov plua plav lossis tiv thaiv daim tawv nqaij.
-Vim nws cov khoom siv tshuaj lom neeg, nws yuav ua rau muaj kev phom sij rau cov dej ib puag ncig. Thov ua raws li cov txheej txheem kev nyab xeeb uas cuam tshuam thaum siv, kom tsis txhob tso nws tawm mus rau hauv lub cev dej.
-Thaum siv cov tshuaj no, nws raug nquahu kom ua haujlwm nyob rau hauv qhov chaw kuaj mob kom zoo kom tsis txhob nqus nws cov volatiles. Nyob rau hauv rooj plaub ntawm kev nchuav los yog nqus tau pa, nrhiav kev kho mob tam sim ntawd.
