METHYL 2 5-DICHLORONICOTINATE (CAS # 67754-03-4)

Taw qhia

Methyl 2, yog cov organic compound nrog cov tshuaj formula C7H4Cl2NO2. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:

Xwm:

- methyl 2, yog cov kua tsis muaj xim.

-Nws muaj pungent tsw.

-Cov compound yog soluble hauv cov organic hnyav xws li methanol lossis dichloromethane.

-Nws cov ntsiab lus melting yog li 43-47 ° C, thiab nws qhov kub ntawm qhov kub ntawm 257-263 ° C.

Siv:

- methyl 2, feem ntau siv los ua ib qho khoom nruab nrab rau tshuaj tua kab thiab tshuaj tua kab.

-Nws kuj tuaj yeem siv los ua ke rau lwm cov tebchaw hauv cov organic hluavtaws chemistry.

Txoj Kev Npaj:

- methyl 2, tuaj yeem npaj los ntawm cov kauj ruam hauv qab no:

1. Ua ntej, 2,5-dichloronicotinic acid yog esterified nrog formic acid.

2. Cov tshuaj tiv thaiv feem ntau yog ua los ntawm cov kua qaub, thiab cov tshuaj esterifying, xws li cawv lossis acid catalyst, yog ntxiv los txhawb cov tshuaj tiv thaiv.

3. Tom qab cov tshuaj tiv thaiv tiav, lub hom phiaj cov khoom raug muab cais thiab purified los ntawm cov tshuaj tiv thaiv sib tov los ntawm distillation los yog extraction.

Cov ntaub ntawv kev nyab xeeb:

- methyl 2, yog ib qho ua kom khaus khaus uas tuaj yeem ua rau khaus ntawm qhov muag, tawv nqaij thiab cov mucous membranes.

- Hnav cov khoom tiv thaiv tus kheej tsim nyog xws li tsom iav, hnab looj tes thiab khaub ncaws tiv thaiv thaum tuav thiab siv.

-Nws yuav tsum nyob deb ntawm qhov hluav taws kub thiab kub ib puag ncig kom tsis txhob muaj kev pheej hmoo ntawm hluav taws kub thiab tawg.

-Thaum khaws cia thiab tuav, ua raws li cov txheej txheem kev nyab xeeb kom tsis txhob sib xyaw thiab sib cuag nrog lwm yam khoom.

-Yog tias noj lossis nqus tau, nrhiav kev kho mob tam sim ntawd thiab muab daim ntawv pov thawj kev nyab xeeb lossis daim ntawv lo rau cov tshuaj.