2 6-Dibromo-4-(trifluoromethyl)aniline (CAS # 72678-19-4)
| 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. S36 - Hnav khaub ncaws tiv thaiv zoo. |
| UN IDs | 2811 ib |
| WGK Germany | 3 |
| HS Code | 29214300 ib |
| Kev Ceeb Toom | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
4-Amino-3,5-dibromobenzotrifluoride yog cov organic compound nrog cov tshuaj formula C7H4Br2F3N. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev tsim thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: tsis muaj xim lossis lub teeb daj daj
-Solubility: Soluble nyob rau hauv cov organic solvents xws li ethanol thiab dimethylformamide
- melting point: txog 115-117 ℃
- Boiling point: txog 285 ℃
Siv:
4-Amino-3,5-dibromobenzotrifluoride muaj qee yam nqi ntawm daim ntawv thov thiab feem ntau siv rau hauv qab no:
-Raws li qhov nruab nrab ntawm cov organic synthesis, nws tuaj yeem siv los npaj lwm cov khoom sib txuas, xws li tshuaj, tshuaj tua kab thiab dyes.
-Hauv kev tshawb fawb tshuaj, nws tuaj yeem siv los ua reagent rau kev tiv thaiv kev tiv thaiv.
Txoj Kev Npaj:
4-Amino-3,5-dibromobenzotrifluoride feem ntau tuaj yeem npaj los ntawm cov kauj ruam hauv qab no:
1.3,5-dibromobenzoic acid tau siv los ua raw khoom los npaj 3,5-dibromobenzoic acid ester los ntawm acidification cov tshuaj tiv thaiv.
2.3,5-dibromobenzoic acid ester yog reacted nrog nitrogen compound rau decarboxylate los tsim 3,5-dibromobenzene acetyl chloride.
3. react 3,5-dibromobenzotrifluoromethane nrog 3,5-dibromobenzotrifluoride los tsim 4-Amino-3,5-dibromobenzotrifluoride.
4. Cov khoom ntshiab tuaj yeem tau txais los ntawm crystallization lossis lwm txoj kev purification.
Cov ntaub ntawv kev nyab xeeb:
- 4-Amino-3,5-dibromobenzotrifluoride yuav tsum tau ua raws li kev ntsuas kev nyab xeeb thaum lub sijhawm ua haujlwm thiab khaws cia kom tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
-thiab tiv thaiv kom tsis txhob nqus lossis nqus tau.
- Hnav cov khoom tiv thaiv tsim nyog xws li hnab looj tes tshuaj, tsom iav thiab cov khaub ncaws tiv thaiv thaum siv.
-Thaum muaj xwm txheej tshwm sim lossis kev sib cuag tsis tau tshwm sim, yaug dej tam sim ntawd thiab nrhiav kev kho mob.
-Thaum tuav lub compound, thov ua raws li cov txheej txheem kev nyab xeeb.
