3 3-Dibromo-1 1 1-trifluoroacetone (CAS # 431-67-4)
| Risk Codes | R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. R34 - Ua rau kub hnyiab |
| 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. 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.) |
| UN IDs | 2922 ib |
| Kev Ceeb Toom | Tshuaj lom |
| Hazard Class | 8 |
| Packing Group | III |
Taw qhia
1,1-dibromo-3,3,3-trifluoroacetone yog cov organic compound nrog cov tshuaj formula C3Br2F3O. 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: 1,1-dibromo-3,3,3-trifluoroacetone yog xim tsis muaj xim rau lub teeb daj lossis crystalline khoom.
Qhov ceev: 1.98g / cm³
- melting point: 44-45 ℃
- Kub taw tes: 96-98 ℃
-Solubility: Soluble nyob rau hauv dej, ethanol thiab ether.
Siv:
- 1,1-dibromo-3,3,3-trifluoroacetone feem ntau yog siv los ua cov organic synthesis reagent thiab tuaj yeem siv los npaj lwm cov tebchaw.
-Cov khoom siv kuj tseem siv tau los ua cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab hauv cov ntawv thov kev sim rau kev txiav txim siab ntawm microwave meters.
Txoj Kev Npaj:
1,1-dibromo-3,3,3-trifluoroacetone tuaj yeem npaj los ntawm cov kauj ruam hauv qab no:
1. Ua ntej, acetone reacts nrog bromine trifluoride los tsim 3,3, 3-trifluoroacetone.
2. Tom ntej no, nyob rau hauv cov kev mob tsim nyog, 3,3,3-trifluoroacetone reacted nrog bromine los tsim 1,1-dibromo-3,3,3-trifluoroacetone.
Cov ntaub ntawv kev nyab xeeb:
1,1-dibromo-3,3,3-trifluoroacetone yog cov organic bromine compound nrog qee yam toxicity thiab corrosiveness. Ua tib zoo saib xyuas cov teeb meem kev nyab xeeb hauv qab no thaum siv:
-Tsis txhob sib chwv ncaj qha rau ntawm daim tawv nqaij thiab qhov muag, hnav hnab looj tes tiv thaiv, tsom iav tiv thaiv thiab daim npog ntsej muag yog tias tsim nyog.
- Ua haujlwm hauv qhov cua kom tsis txhob nqus cov pa los yog vapors.
-Tsis txhob sib cuag nrog oxidants thiab combustibles thaum lub sij hawm cia, thiab muab tso rau hauv ib lub thawv kaw, kom deb ntawm qhov hluav taws kub thiab qhov chaw kub.
-Tsis txhob chim thiab hluav taws xob zoo li qub thaum siv los tiv thaiv hluav taws los yog tawg.
Thov nco ntsoov tias 1,1-dibromo-3,3,3-trifluoroacetone yog cov kws tshaj lij hauv chav kuaj reagent, uas tsuas yog siv tau los ntawm cov kws tshaj lij hauv cov xwm txheej tsim nyog thiab yuav tsum tsis txhob siv lossis ua haujlwm raws li qhov xav tau.
