3-Bromo-4-fluorobenzonitrile CAS # 79630-23-2
| 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. |
| 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S22 - Tsis txhob nqus plua plav. |
| UN IDs | ib 3439 |
| WGK Germany | 3 |
| HS Code | 2926 90 90 ib |
| Kev Ceeb Toom | Tshuaj lom |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
Nws yog ib qho organic compound nrog cov tshuaj formula C7H3BrFN. 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:
-Cov tsos mob: tsis muaj xim crystalline khoom.
- Melting point: txog 59-61 ° C.
-Boiling point: txog 132-133 ℃.
-Odor pib: Tsis muaj cov ntaub ntawv txhim khu kev qha.
-Solubility: Soluble nyob rau hauv organic solvents xws li ether, dimethylformamide thiab benzene, insoluble nyob rau hauv dej.
Siv:
-yog ib qho organic synthesis intermediate uas tuaj yeem siv los ua cov khoom sib txuas xws li tshuaj, tshuaj tua kab thiab dyes.
-Nws tuaj yeem siv los ua reagent rau kev qhia halogen rau hauv cov tshuaj tsw qab hauv cov organic synthesis.
Txoj Kev Npaj:
-fluorobenzonitrile tuaj yeem npaj tau los ntawm kev ntxiv cuprous bromide (CuBr) rau 4-fluorobenzonitrile (C7H4FN).
Cov ntaub ntawv kev nyab xeeb:
-Nws yuav ua rau khaus thiab corrosive, thiab kev sib cuag ntawm daim tawv nqaij thiab qhov muag yuav ua rau khaus.
- Hnav cov cuab yeej tiv thaiv tus kheej tsim nyog xws li tsom iav, hnab looj tes, thiab lub tsho tiv thaiv thaum ua haujlwm.
-Thaum siv thiab khaws cia, nws yog ib qho tsim nyog yuav tsum ua raws li cov txheej txheem kev nyab xeeb thiab khaws cia hauv lub thawv kaw kom zoo, kom deb ntawm cov hluav taws kub thiab cov oxidizing cov neeg ua haujlwm.
-Yog nqus tau lossis nqus tau, nrhiav kev kho mob tam sim ntawd. Yog tias muaj kev sib cuag, tam sim ntawd yaug qhov chaw cuam tshuam nrog dej txaus thiab nrhiav kev pab kho mob.
