Tom ntej: Methyl 4-fluorobenzoate CAS # 403-33-8
| Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag R36/38 - Kab mob rau qhov muag 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. S36/39 - S36 - Hnav khaub ncaws tiv thaiv zoo. |
| WGK Germany | 2 |
| HS Code | 291639 0 |
| Kev Ceeb Toom | Tshuaj lom |
| Hazard Class | IRRITANT |
Taw qhia
Methyl fluorobenzoate yog ib qho organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm methylparaben:
Zoo:
- Cov tsos: cov kua tsis muaj xim.
- Solubility: Soluble nyob rau hauv organic solvents xws li ethers, alcohols thiab esters, insoluble nyob rau hauv dej.
Siv:
- Methyl fluorobenzoate tuaj yeem siv los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis.
Txoj kev:
- Muaj ntau txoj hauv kev rau kev sib txuas ntawm methyl fluorobenzoate, thiab cov qauv siv feem ntau tau txais los ntawm cov tshuaj tiv thaiv ntawm fluororagent thiab methyl benzoate. Feem ntau, methyl fluorobenzoate tuaj yeem tau txais los ntawm kev tso fluorobenzene thiab methyl benzoate nyob rau hauv qhov kev txiav txim ntawm polycondensation tus neeg saib xyuas xws li Lewis acid (xws li, txhuas chloride).
Cov ntaub ntawv kev nyab xeeb:
- Methyl fluorobenzoate yog cov organic, thiab yuav tsum tau ceev faj txog kev nyab xeeb hauv qab no thaum siv nws:
- Tsis txhob kov ncaj qha rau ntawm daim tawv nqaij thiab qhov muag.
- Tsis txhob nqus nws cov vapors thiab ua haujlwm nrog qhov cua txaus lossis hnav tiv thaiv ua pa tsim nyog.
- Khaws kom deb ntawm qhov hluav taws kub, qhov kub thiab txias ncaj qha.
- Thaum siv thiab khaws cia, thov saib cov lus qhia txog kev nyab xeeb thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom siv.
