Tom ntej: 3-Bromo-5-nitrobenzotrifluoride (CAS # 630125-49-4)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R36/38 - Kab mob rau qhov muag 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. |
| HS Code | 29 0490 |
| Hazard Class | IRRITANT |
Taw qhia
Nws yog ib qho organic compound uas nws cov tshuaj formula C7H3BrF3NO2. Cov hauv qab no yog kev qhia txog qee yam ntawm nws cov khoom, kev siv, txoj kev thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
- yog xim tsis muaj xim rau yellowish crystalline los yog hmoov.
-Nws nyob ruaj khov ntawm chav tsev kub, tab sis tuaj yeem decompose los tsim cov pa roj carbon monoxide thaum rhuab.
-Nws yog soluble hauv cov kuab tshuaj organic xws li ethanol thiab chloroform, thiab tsis yooj yim soluble hauv dej.
Siv:
-yog pab tau raws li ib tug reagent thiab intermediate nyob rau hauv cov organic synthesis.
-Nws feem ntau siv los npaj cov tshuaj benzopyrrole, uas muaj cov ntawv thov tseem ceeb hauv kev siv tshuaj thiab tshuaj tua kab synthesis.
-Nws kuj tseem siv tau los npaj cov tshuaj fluorine-muaj cov organic sib txuas.
Preparation Method: Txoj kev npaj ntawm
- yog tau los ntawm reacting 3-amino -5-nitrobenzene thiab trifluoromethyl bromide.
-Txoj kev npaj tshwj xeeb thiab cov xwm txheej yuav txawv vim qhov kev sim thiab kev tsim khoom lag luam.
Cov ntaub ntawv kev nyab xeeb:
-yog ib qho organic compound, yuav tsum tau them sai sai rau nws qhov txaus ntshai.
-Nws tuaj yeem ua rau khaus thiab ua rau lub qhov muag, tawv nqaij thiab ua pa puas.
- Hnav cov khoom tiv thaiv tsim nyog xws li hnab looj tes, tsom iav thiab tiv thaiv ua pa thaum siv lossis tuav.
-Nws yuav tsum tau ua haujlwm hauv qhov chaw uas muaj cua zoo kom tsis txhob nqus nws cov vapor lossis hmoov av.
- Ua raws li cov cai tswj kev nyab xeeb cuam tshuam thaum khaws cia thiab tuav.
