Tom ntej: methyl 5-methyl-1H-pyrazole-3-carboxylate (CAS # 25016-17-5)
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
Taw qhia
methyl yog ib qho organic compound nrog cov mis molecular C7H8N2O2 thiab molecular hnyav ntawm 148.15g / mol. Nws yog cov kua uas tsis muaj xim nrog ib qho tshwj xeeb aroma.
Cov tshuaj no feem ntau yog siv rau hauv cov tshuaj hluavtaws, tshuaj tua kab thiab dyes. Nws tuaj yeem siv los ua ib qho nruab nrab rau kev sib txuas ntawm lwm cov organic tebchaw, xws li: hluavtaws insecticide dimethicarb.
Txoj kev npaj methyl feem ntau tau txais los ntawm cov tshuaj tiv thaiv esterification. Txoj kev tshwj xeeb yog ua rau 5-methyl pyrazole-3-carboxylic acid nrog methanol, nyob rau hauv muaj cov catalyst tsim nyog, kom tau cov khoom xav tau.
Hais txog cov ntaub ntawv kev nyab xeeb, methyl yog cov kua hluav taws xob hluav taws xob thiab yuav tsum khaws cia kom deb ntawm cov nplaim taws thiab qhov kub thiab txias. Thaum siv thiab khaws cia, yuav tsum tau saib xyuas kom tsis txhob muaj kev sib cuag nrog daim tawv nqaij, qhov muag thiab ua pa. Nyob rau tib lub sijhawm, kev ua haujlwm yuav tsum hnav cov khoom tiv thaiv tsim nyog, xws li hnab looj tes, tsom iav thiab daim npog ntsej muag. Yog noj los yog nqus tau, nrhiav kev kho mob tam sim ntawd.
