2'-Chloro-4-fluoroacetophenone (CAS # 456-04-2)
Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R34 - Ua rau kub hnyiab R23/25 - Toxic los ntawm kev nqus pa thiab yog tias nqos. R36 - Khau qhov muag |
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. S28 - Tom qab sib cuag nrog daim tawv nqaij, ntxuav tam sim nrog xab npum-suds ntau. S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S27 - Tshem tawm tag nrho cov khaub ncaws tsis huv tam sim ntawd. |
UN IDs | UN 3261 8/PG 2 |
WGK Germany | 3 |
RTECS | ib 655000 |
FLUKA BRAND F CODE | 9-19 |
HS Code | 29147000 ib |
Kev Ceeb Toom | Corrosive / Lachrymatory |
Hazard Class | 8 |
Packing Group | II |
Taw qhia
2-Chloro-4′-fluoroacetophenone yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Cov tsos mob: 2-Chloro-4′-fluoroacetophenone yog cov kua tsis muaj xim rau daj ntseg daj.
- Solubility: Soluble nyob rau hauv cov organic solvents xws li chloroform, ethanol thiab ether.
Siv:
- Kev tshawb fawb tshuaj: 2-chloro-4′-fluoroacetophenone yog ib qho kev siv nruab nrab ntawm cov organic synthesis thiab tuaj yeem siv rau hauv kev sib txuas ntawm lwm cov organic compounds.
Txoj kev:
- Muaj ntau txoj hauv kev npaj rau 2-chloro-4′-fluoroacetophenone, thiab ib qho ntawm cov kev siv feem ntau tau txais los ntawm fluorination ntawm chloroacetophenone. Cov kauj ruam tshwj xeeb suav nrog kev ntxiv hydrofluoric acid thiab sodium palladium hydroxide catalyst rau cov tshuaj tiv thaiv hnyav los ua cov tshuaj chloroacetophenone nrog cov roj fluorine los tsim 2-chloro-4′-fluoroacetophenone.
Cov ntaub ntawv kev nyab xeeb:
- 2-Chloro-4′-fluoroacetophenone yog ib qho organic compound, thiab nws cov khoom muaj txiaj ntsig yuav tsum tau ua tib zoo tuav.
- Thaum siv lossis khaws cia, tsis txhob sib cuag nrog cov khoom siv hluav taws xob, cov tshuaj oxidizing muaj zog, thiab cov kua qaub muaj zog.
- Yuav tsum tau ua kom muaj cua txaus thaum lub sijhawm ua haujlwm thiab cov cuab yeej tiv thaiv tus kheej tsim nyog xws li hnab looj tes thiab looj tsom iav dub yuav tsum hnav.