2-3-Dimethyl pyrazine (CAS # 5910-89-4)

Taw qhia

2, 3-Dimethylpyrazine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog qee yam ntawm nws cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:

Zoo:

2, 3-Dimethylpyrazine yog xim tsis muaj xim rau daj crystalline khoom. Nws muaj cov ntxhiab tsw ntawm acetone lossis ethers thiab tuaj yeem yaj hauv cawv thiab ether cov kuab tshuaj.

Siv:

2, 3-Dimethylpyrazine feem ntau yog siv los ua cov khoom pib rau cov organic synthesis. Nws tuaj yeem siv los ua ib qho catalyst rau esterification, carboxylation thiab enolation nyob rau hauv alkaline tej yam kev mob.

Txoj kev:

2, 3-dimethylpyrazine tuaj yeem npaj los ntawm SN2 hloov pauv ntawm ethyl iodide lossis ethyl bromide nrog 2-aminopyrazine. Cov kev mob tshwm sim feem ntau yog ua los ntawm qhov nruab nrab alkaline, xws li sodium ethoxide. Tom qab cov tshuaj tiv thaiv, lub hom phiaj khoom yog tau los ntawm crystallization los yog extraction.

Cov ntaub ntawv kev nyab xeeb:

2, 3-Dimethylpyrazine muaj toxicity tsawg nyob rau hauv ib txwm siv tej yam kev mob. Raws li ib qho tshuaj, kev sib cuag ntawm daim tawv nqaij, qhov muag, thiab cov kab mob ua pa yuav ua rau khaus. Cov txheej txheem kev nyab xeeb hauv chaw kuaj mob niaj hnub xws li hnav hnab looj tes tiv thaiv, tsom iav, thiab cov cuab yeej tiv thaiv ua pa yuav tsum tau ua raws li thaum siv. Nyob rau hauv rooj plaub ntawm kev sib chwv los yog nqus tau pa, ntxuav lossis tshem tawm qhov chaw raug mob tam sim ntawd thiab nrhiav kev pab tswv yim.