2 4-Difluorobenzyl bromide (CAS # 23915-07-3)
| Risk Codes | R10 - Flammable R34 - Ua rau kub hnyiab R42/43 - Tej zaum yuav ua rau muaj kev hnov mob los ntawm kev nqus pa thiab kev sib cuag ntawm daim tawv nqaij. R36 - Khau qhov muag |
| 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.) S25 - Tsis txhob sib cuag nrog lub qhov muag. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. |
| UN IDs | UN 2920 8/PG 2 |
| WGK Germany | 3 |
| HS Code | 2 903990 |
| Kev Ceeb Toom | Corrosive / Lachrymatory |
| Hazard Class | 8 |
| Packing Group | III |
Taw qhia
2,4-difluorobenzylbromide yog cov organic compound nrog cov tshuaj formula C7H5BrF2. Nws yog cov kua tsis muaj xim uas muaj ntxhiab tsw. Cov hauv qab no yog cov lus piav qhia ntawm qee cov khoom, kev siv, txoj hauv kev thiab cov ntaub ntawv kev nyab xeeb ntawm 2,4-difluorobenzylbromide:
Xwm:
-Cov tsos mob: 2,4-difluorobenzylbromide yog cov kua tsis muaj xim.
-Solubility: Nws tuaj yeem soluble nrog cov kuab tshuaj organic, xws li ethanol, chloroform thiab dimethylformamide.
Siv:
-2,4-difluorobenzylbromide tuaj yeem siv los ua ib qho nruab nrab ntawm cov organic synthesis thiab siv rau hauv kev sib txuas ntawm lwm cov tebchaw.
-Nws tseem tuaj yeem siv los ua cov khoom siv raw hauv cov tshuaj tua kab thiab tshuaj.
Txoj kev:
-2,4-difluorobenzylbromide feem ntau yog npaj los ntawm reacting 2,4-difluorobenzoic acid nrog bromine.
-Txoj kev npaj tshwj xeeb tuaj yeem kho cov tshuaj tiv thaiv kab mob thiab cov tshuaj reagents siv raws li xav tau.
Cov ntaub ntawv kev nyab xeeb:
- 2,4-difluorobenzylbromide ua rau khaus thiab yuav tsum tau saib xyuas kev tiv thaiv xws li hnav hnab looj tes thiab khaub ncaws tiv thaiv.
-Tsis txhob nqus pa, tiv nrog daim tawv nqaij thiab qhov muag thaum siv.
-Thaum kev nqus pa los yog kev sib chwv tsis sib haum, tus neeg mob yuav tsum tau txav mus rau qhov cua tshiab sai sai thiab kho nrog kev kho mob.
-Thaum khaws cia, khaws 2,4-difluorobenzylbromide kom deb ntawm hluav taws thiab oxidant kom tsis txhob muaj hluav taws kub thiab tawg.
