3-Amino-5-bromo-2-fluoropyridine (CAS # 884495-22-1)
| Risk Codes | R22 - Ua phem yog tias nqos R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | 26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej kom ntau thiab nrhiav kev kho mob. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
Taw qhia
Nws yog ib qho organic compound nrog cov tshuaj formula C5H3BrFN2. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Zoo: tsis muaj xim rau lub teeb daj crystal
- Melting point: 110-113 ° C
- Boiling point: 239 ° C (qhov siab ntawm atmospheric)
Qhov ceev: 1.92g / cm³
-Soluble: Soluble hauv ethanol, dimethylformamide thiab acetonitrile
Siv:
- feem ntau yog siv los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis. Nws tuaj yeem siv rau hauv kev sib txuas ntawm cov tshuaj, tshuaj tua kab, dyes thiab cov organic compounds.
-Cov compound plays lub luag haujlwm tseem ceeb hauv kev kho mob, xws li kev sib txuas ntawm cov tshuaj tiv thaiv kab mob.
Txoj Kev Npaj:
-los yog tuaj yeem tau txais los ntawm cov tshuaj lom neeg cov tshuaj sib xyaw ua ke. Ib txoj kev siv hluavtaws yog los ntawm kev tiv thaiv, bromination thiab fluorination ntawm pyrimidines. Cov txheej txheem synthesis tshwj xeeb tuaj yeem ua kom zoo raws li qhov xav tau tiag tiag.
Cov ntaub ntawv kev nyab xeeb:
-Cov ntaub ntawv kev nyab xeeb tshwj xeeb yuav tsum tau txiav txim siab raws li kev sim tshwj xeeb thiab kev siv.
-Thaum siv cov khoom sib xyaw, ua raws li cov txheej txheem kev nyab xeeb hauv chav kuaj, suav nrog kev hnav cov cuab yeej tiv thaiv tsim nyog, zam kev sib cuag nrog cov tawv nqaij thiab qhov muag, kom deb ntawm hluav taws thiab kub.
-Ntev raug thiab nqus tau ntawm qhov sib xyaw no tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv, yog li koj yuav tsum tau ua tib zoo saib xyuas cov kev tiv thaiv tsim nyog thiab ua raws li txoj kev sim tshuaj pov tseg kom raug.
