Tom ntej: α-Bromo-4-chloroacetophenone (CAS # 536-38-9)
| Hazard Cov Cim | C - Corrosive |
| Risk Codes | R34 - Ua rau kub hnyiab R22 - Ua phem 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. 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.) S27 - Tshem tawm tag nrho cov khaub ncaws tsis huv tam sim ntawd. |
| UN IDs | UN 3261 8/PG 2 |
| WGK Germany | 2 |
| RTECS | ib 5978800 |
| FLUKA BRAND F CODE | 19 |
| TSCA | Yog lawm |
| HS Code | 29147000 ib |
| Kev Ceeb Toom | Corrosive / Lachrymatory / Cia txias |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 qhov ncauj hauv cov nas:> 2000 mg / kg (Dat-Xuong) |
Taw qhia
α-Bromo-4-chloroacetophenone yog ib qho organic compound. Nov yog qee cov ntaub ntawv hais txog nws cov khoom, kev siv, kev tsim khoom thiab kev nyab xeeb:
Zoo:
1. Cov tsos mob: α-bromo-4-chloroacetophenone yog cov khoom dawb.
3. Solubility: Nws yog soluble hauv cov kuab tshuaj organic xws li ethanol, acetone thiab carbon disulfide ntawm chav tsev kub.
Siv:
α-bromo-4-chloroacetophenone muaj cov tshuaj lom neeg muaj zog thiab tuaj yeem siv los ua ib qho tseem ceeb hauv nruab nrab ntawm cov organic synthesis.
Txoj kev:
Kev npaj ntawm α-bromo-4-chloroacetophenone tuaj yeem ua tau los ntawm cov tshuaj tiv thaiv hauv qab no:
1-bromo-4-chlorobenzene yog reacted nrog acetic anhydride nyob rau hauv lub xub ntiag ntawm sodium carbonate los tsim 1-acetoxy-4-bromo-chlorobenzene. Tom qab ntawd nws yog reacted nrog methyl bromide nyob rau hauv lub xub ntiag ntawm ib tug hnyav los tsim α-bromo-4-chloroacetophenone.
Cov ntaub ntawv kev nyab xeeb:
Tsis txhob sib cuag nrog daim tawv nqaij, tsis txhob nqus nws cov vapors, thiab siv nyob rau hauv ib qho chaw zoo-ventilated.
Thaum khaws cia thiab siv, khaws cia kom deb ntawm qhov chaw hluav taws kub thiab qhov chaw kub kub kom tsis txhob muaj cov roj hluav taws xob lossis cov pa phem.
Thaum pov tseg cov khoom pov tseg, cov kev cai ntawm ib puag ncig ib puag ncig yuav tsum tau ua raws li txhawm rau txhawm rau pov tseg kom raug.
