5-Bromo-2-ethoxypyridine (CAS # 55849-30-4)
| Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag |
| 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 - |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Kev Ceeb Toom | Ua phem |
| Hazard Class | IRRITANT |
Taw qhia
5-Bromo-2-ethoxypyridine. Nws cov khoom tseem ceeb yog raws li nram no:
Cov tsos mob: 5-bromo-2-ethoxypyridine yog dawb crystalline khoom.
Solubility: soluble nyob rau hauv organic solvents, xws li ethanol, ether, thiab lwm yam., insoluble nyob rau hauv dej.
Nws tuaj yeem siv los ua brominating reagent rau oxidation cov tshuaj tiv thaiv, cov tshuaj tiv thaiv halogenation, thiab cov tshuaj tiv thaiv condensation, thiab lwm yam.
Cov txheej txheem tseem ceeb rau kev npaj 5-bromo-2-ethoxypyridine yog raws li hauv qab no:
Cov tshuaj tiv thaiv ntawm 5-bromo-2-pyridine cawv nrog ethanol: 5-bromo-2-pyridinol yog reacted nrog ethanol nyob rau hauv acid catalysis los tsim 5-bromo-2-ethoxypyridine.
Cov tshuaj tiv thaiv ntawm 5-bromo-2-pyridine nrog ethanol: 5-bromo-2-pyridine yog reacted nrog ethanol nyob rau hauv alkali catalysis los tsim 5-bromo-2-ethoxypyridine.
5-Bromo-2-ethoxypyridine yog ib qho organic compound nrog qee yam toxicity, thiab yuav tsum tau ua nrog cov hnab looj tes tiv thaiv thiab tsom iav.
Tsis txhob nqus, zom, lossis nqos cov khoom xyaw thiab tsis txhob sib cuag nrog daim tawv nqaij.
Thaum khaws cia, nws yuav tsum tau muab kaw kom deb ntawm hluav taws thiab oxidants.
Kev pov tseg pov tseg: Muab pov tseg raws li cov cai hauv zos thiab tsis txhob muab pov tseg raws li qhov xav tau.
