2-Chloro-5-fluorobenzoylchloride (CAS # 21900-51-6)
| Risk Codes | R34 - Ua rau kub hnyiab R22 - Ua phem yog tias nqos |
| 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
| UN IDs | ib 3265 |
| Kev Ceeb Toom | Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
Taw qhia
Nws yog cov organic compound nrog cov tshuaj formula C7H3Cl2FOCl thiab molecular hnyav ntawm 205.5. Nws yog xim tsis muaj xim rau lub teeb daj ua kua nrog cov ntxhiab tsw.
Cov tshuaj chloride feem ntau yog siv hauv cov organic synthesis ua ib qho tseem ceeb reagent thiab nruab nrab. Nws tuaj yeem siv los npaj ntau yam chlorinated, acylated thiab anhydridized khoom. Nws yog feem ntau siv nyob rau hauv cov synthesis ntawm tshuaj tua kab, tshuaj thiab dyes.
Txoj kev npaj ntawm cov tshuaj chloride feem ntau tau los ntawm reacting 2-chloro-5-fluorobenzoic acid nrog thionyl chloride. Cov tshuaj tiv thaiv tshwj xeeb tuaj yeem hloov kho raws li qhov xav tau tiag tiag.
Hais txog kev nyab xeeb cov ntaub ntawv, chloride yog cov organic compound. Kev saib xyuas yuav tsum tau ua kom tsis txhob muaj kev sib cuag nrog cov tawv nqaij thiab qhov muag, thiab nws yuav tsum tau ua haujlwm nyob rau hauv qhov chaw zoo. Kev siv yuav tsum hnav cov cuab yeej tiv thaiv tsim nyog, xws li cov hnab looj tes hauv chav kuaj, tsom iav tiv thaiv, thiab lwm yam. Thaum lub sijhawm khaws cia thiab tuav, kev tuav pov hwm kom raug thiab kev pov tseg yuav tsum raug soj ntsuam.
