3-Fluoro-5-bromobenzyl bromide (CAS # 216755-57-6)
| Risk Codes | 25 – Toxic yog nqos |
| Kev nyab xeeb piav qhia | 45 - Thaum muaj xwm txheej los sis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (saib daim ntawv lo thaum twg los tau.) |
| Hazard Class | 8 |
Taw qhia
3-Fluoro-5-bromobenzyl bromide yog cov organic compound nrog cov tshuaj formula C7H5Br2F. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:
Xwm:
-Cov tsos mob: tsis muaj xim rau lub teeb daj siv lead ua
- Melting Point: 48-51 ℃
-Boiling Point: 218-220 ℃
-Stability: ruaj khov nyob rau hauv qhuav tej yam kev mob, tab sis hydrolyzed nyob rau hauv lub xub ntiag ntawm noo noo
-Solubility: Soluble nyob rau hauv organic solvents, xws li ethanol, ether
Siv:
3-Fluoro-5-bromobenzyl bromide feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis thiab tuaj yeem siv los ua cov tshuaj lom neeg lom neeg, xws li tshuaj, tshuaj tua kab thiab dyes. Nws tseem tuaj yeem siv los ua ligand los tsim cov complexes nrog cov hlau thiab ua lub luag haujlwm tseem ceeb hauv cov tshuaj tiv thaiv catalytic.
Txoj kev:
3-Fluoro-5-bromobenzyl bromide tuaj yeem ua ke los ntawm cov kauj ruam hauv qab no:
1. 3-fluorobenzyl reacted nrog bromine hauv chloroform kom tau 3-fluoro-3-bromobenzyl.
2. Cov khoom tau txais hauv cov tshuaj tiv thaiv yav dhau los yog reacted nrog bromine hauv ethanol kom tau txais cov khoom kawg 3-Fluoro-5-bromobenzyl bromide.
Cov ntaub ntawv kev nyab xeeb:
-
Qhov no yog ib qho alkyl compound uas muaj zog deliquescence thiab yuav tsum tau khaws cia kom tsis txhob ya raws. Ua tib zoo saib xyuas cov teeb meem kev nyab xeeb hauv qab no hauv kev ua haujlwm:
- 3-Fluoro-5-bromobenzyl bromide yog khaus thiab yuav tsum tsis txhob nqus cov pa los yog chav, thiab tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
-Thaum siv lossis khaws cia, ib puag ncig zoo-ventilated yuav tsum tau khaws cia.
-Thaum raug rau qhov sib xyaw no, tam sim ntawd yaug qhov chaw cuam tshuam nrog dej txaus thiab nrhiav kev pab los ntawm kws kho mob.
- Hnav cov khoom tiv thaiv tus kheej tsim nyog xws li hnab looj tes tiv thaiv tshuaj, tsom iav thiab khaub ncaws tiv thaiv thaum ua haujlwm.
