3-Fluoro-4-methoxyacetophenone (CAS # 455-91-4)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S36 - Hnav khaub ncaws tiv thaiv zoo. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
Taw qhia
3-Fluoro-4-methoxyacetophenone 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: 3-fluoro-4-methoxyacetophenone yog ib qho khoom hauv nws daim ntawv ntau tshaj plaws li dawb crystals.
- Solubility: 3-fluoro-4-methoxyacetophenone yuav luag insoluble hauv dej, tab sis nws tuaj yeem yaj hauv cov kuab tshuaj organic.
Siv:
Txoj kev:
- Ib txoj hauv kev rau kev npaj ntawm 3-fluoro-4-methoxyacetophenone yog los ntawm fluorination ntawm methoxyacetophenone. Cov tshuaj tiv thaiv no feem ntau yog ua tiav ntawm qhov ntsuas kub thiab lub sijhawm tshuaj tiv thaiv siv hydrogen fluoride thiab acid catalysts.
Cov ntaub ntawv kev nyab xeeb:
- Plua plav lossis vapors los ntawm 3-fluoro-4-methoxyacetophenone tuaj yeem ua rau khaus rau qhov muag, tawv nqaij, thiab ua pa. Cov cuab yeej tiv thaiv tus kheej tsim nyog yuav tsum tau hnav thaum siv.
- Thaum khaws cia thiab tuav, tsis txhob sib cuag nrog oxidants thiab kub kub kom tsis txhob muaj hluav taws kub los yog tawg.
- Cov khoom sib xyaw yuav tsum tau khaws cia rau hauv ib lub thawv airtight hauv qhov chaw txias, qhuav.
