3-4'-Dichloropropiophenone (CAS # 3946-29-0)
| Risk Codes | R34 - Ua rau kub hnyiab R36/37 - Kab mob rau qhov muag thiab ua pa. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S23 - Tsis txhob ua pa. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S27 - Tshem tawm tag nrho cov khaub ncaws tsis huv tam sim ntawd. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. 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.) S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag |
| UN IDs | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| Hazard Class | 8 |
| Packing Group | III |
Taw qhia
3,4 '-Dichloropropiophenone, tshuaj formula C9H7Cl2O, yog cov organic compound.
Xwm:
3,4 '-Dichloropropiophenone yog cov xim tsis muaj xim rau daj ntseg daj nrog cov tshuaj tsw qab tshwj xeeb. Nws yog insoluble hauv dej thiab me ntsis soluble hauv cawv thiab ethers.
Siv:
3,4 '-Dichloropropiophenone feem ntau yog siv los ua ib qho reagent hauv organic synthesis. Nws tuaj yeem siv rau hauv kev sib xyaw ntawm cov tshuaj, dyes thiab lwm yam sib xyaw. Nws tseem tuaj yeem siv los ua cov khoom siv raw rau kev npaj tshuaj tua kab thiab tsw.
Txoj Kev Npaj:
Muaj ntau txoj hauv kev los npaj 3,4 '-Dichloropropiophenone. Txoj kev zoo tshaj plaws yog kom tau 3,4'-dichlorophenyl ethanone los ntawm bromination lossis chlorination nyob rau hauv alkaline tej yam kev mob.
Cov ntaub ntawv kev nyab xeeb:
3,4 '-Dichloropropiophenone yog cov tshuaj lom neeg thiab kev sib cuag ncaj qha rau ntawm daim tawv nqaij thiab kev nqus ntawm nws cov vapors yuav tsum raug zam. Cov cuab yeej tiv thaiv tus kheej tsim nyog, xws li cov hnab looj tes tiv thaiv tshuaj lom neeg thiab tiv thaiv qhov muag, yuav tsum hnav thaum siv lossis tuav. Tsis txhob kub siab thiab qhib hluav taws thaum khaws cia. Nco ntsoov siv nws hauv qhov chaw nyab xeeb thiab qhov cua thiab muab pov tseg rau hauv ib lub thawv uas tsis muaj teeb meem pov tseg. Yog tias noj los yog tiv tauj, nrhiav kev pab kho mob tam sim ntawd.
