2-Ethoxy-5-nitropyridine (CAS # 31594-45-3)
| 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 |
| Kev Ceeb Toom | Irritant |
Taw qhia
2-ETHOXY-5-NITROPYRIDINE yog cov organic compound nrog cov tshuaj formula C8H8N2O3.
Xwm:
2-ETHOXY-5-NITROPYRIDINE yog daj crystalline khoom nrog ib tug txawv tsw. Nws muaj qhov melting point ntawm 56-58 degrees Celsius thiab kub kub ntawm 297-298 degrees Celsius. Nws yog insoluble nyob rau hauv dej ntawm ib txwm kub, tab sis soluble nyob rau hauv cov organic solvents xws li cawv, ether, thiab lwm yam. Nws yog ib tug tsis ruaj tsis khov compound uas decomposes yooj yim nyob rau hauv lub teeb, tshav kub thiab excitation tej yam kev mob.
Siv:
2-ETHOXY-5-NITROPYRIDINE tuaj yeem siv los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis, dav siv hauv tshuaj synthesis, tshuaj, dyes thiab lwm yam. Raws li ib tug multifunctional compound, nws yuav siv tau los ua synthesize lwm cov tebchaw, xws li tshuaj, tshuaj tua kab thiab dyes.
Txoj kev:
2-ETHOXY-5-NITROPYRIDINE muaj ntau txoj kev npaj, ib qho ntawm feem ntau siv los ntawm cov tshuaj tiv thaiv ntawm 5-chloropyridine thiab ethyl cawv nyob rau hauv alkaline tej yam kev mob. Cov txheej txheem synthesis tshwj xeeb yuav tsum muaj cov ncauj lus kom ntxaws txog kev ua haujlwm thiab kev paub txog tshuaj lom neeg, thov ua cov tshuaj tiv thaiv synthesis nyob rau hauv ib puag ncig kev sim.
Cov ntaub ntawv kev nyab xeeb:
2-ETHOXY-5-NITROPYRIDINE tuaj yeem ua rau khaus thaum sib cuag nrog daim tawv nqaij thiab qhov muag, yog li nws yuav tsum hnav cov khoom tiv thaiv tus kheej tsim nyog thaum ua haujlwm thiab tuav. Nyob rau tib lub sijhawm, qhov sib xyaw ua ke yog cov khoom tawg yooj yim thiab yuav tsum tau ceev kom deb ntawm qhov hluav taws kub thiab kub kom tsis txhob muaj cov pa phem thiab vapors. Thaum khaws cia thiab tuav, ua raws li cov txheej txheem kev nyab xeeb uas cuam tshuam thiab khaws cia rau hauv cov thawv kaw. Thaum muaj xwm txheej tshwm sim, thov tam sim ua qhov kev ntsuas kub ceev thiab nrhiav kev pab kho mob.
