2-Cyano-5-methylpyridine (CAS # 1620-77-5)

Nws yog cov organic compound nrog cov tshuaj formula C8H7N thiab cov qauv qauv ntawm CH3-C5H3N (CN). Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb: Xwm:
1. Cov tsos mob: tsis muaj xim rau cov kua daj daj.
2. Melting Point: -11 ℃.
3. Kub taw tes: 207-210 ℃.
4. Solubility: me ntsis soluble hauv dej, soluble hauv organic solvents xws li cawv thiab ethers.Siv:
1. yog dav siv nyob rau hauv cov organic synthesis, yuav siv tau raws li ib tug reagent, intermediate los yog catalyst los koom nyob rau hauv ntau yam kev tshwm sim, xws li C-C bond formation cov tshuaj tiv thaiv, cyanide cov tshuaj tiv thaiv.
2. Nws tuaj yeem koom nrog hauv kev sib txuas ntawm pyridine, pyridine ketones thiab lwm cov organic tebchaw.
3. kuj tseem siv tau rau hauv tshuaj tua kab, tshuaj thiab lwm yam teb.

Txoj kev:
Nws tuaj yeem npaj tau los ntawm txoj hauv kev hauv qab no:
1. Pyridine reacts nrog methyl acetic anhydride los tsim 5-methyl pyridine.
2. React 5-picoline nrog sodium cyanide nyob rau hauv alkaline tej yam kev mob los tsim a.

Cov ntaub ntawv kev nyab xeeb:
1. Tshaj yog cov organic tebchaw, muaj qee yam toxicity, thov ua raws li cov txheej txheem kuaj kev nyab xeeb, ua tib zoo saib xyuas kev tiv thaiv.
2. Tsis txhob kov ntawm daim tawv nqaij, qhov muag, thiab lwm yam. Yog tias muaj kev sib cuag, yaug tam sim nrog dej kom ntau. Yog tias muaj kev tsis txaus siab, thov mus ntsib kws kho mob.
3. Hauv kev khaws cia thiab tuav, thov kom tsis txhob muaj qhov kub thiab txias, qhov chaw hluav taws kub, thiab ua kom muaj cua sov zoo.
4. Cov kua dej khib nyiab yuav tsum muab pov tseg raws li cov cai hauv zos kom tsis txhob muaj kuab paug ib puag ncig.

Thov nco ntsoov tias kev siv thiab tuav cov tshuaj lom neeg yuav tsum ua raws li cov kev cai cuam tshuam thiab cov txheej txheem ua haujlwm nyab xeeb, thiab ua raws li cov lus qhia ua haujlwm tsim nyog.