3 5-difluorobenzonitrile (CAS # 64248-63-1)
| 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. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. |
| UN IDs | ib 3276 |
| WGK Germany | 3 |
| HS Code | 2926 90 90 ib |
| Kev Ceeb Toom | Ua phem/Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
3,5-Difluorobenzonitrile yog cov organic compound. Cov hauv qab no yog kev qhia txog qee yam khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 3,5-difluorobenzonitrile:
Zoo:
- Cov tsos mob: 3,5-Difluorobenzonitrile yog cov kua tsis muaj xim rau daj ntseg daj.
- Solubility: Soluble nyob rau hauv ntau cov organic solvents xws li ethanol, ether, thiab chloroform.
Siv:
- 3,5-Difluorobenzonitrile yog siv los ua ib qho nruab nrab hauv cov organic synthesis.
- Nws tseem tuaj yeem siv los ua cov tshuaj muaj peev xwm hauv kev lag luam hluav taws xob rau kev tsim cov dyes thiab cov khoom siv hluavtaws.
Txoj kev:
- Txoj kev npaj tseem ceeb ntawm 3,5-difluorobenzonitrile yog tau los ntawm cov tshuaj tiv thaiv ntawm 3,5-difluorophenyl bromide thiab tooj liab cyanide nyob rau hauv cov kev mob tsim nyog.
Cov ntaub ntawv kev nyab xeeb:
- 3,5-Difluorobenzonitrile yog khaus thiab corrosive, thiab cov kev ntsuas kev nyab xeeb tsim nyog xws li hnav hnab looj tes tiv thaiv thiab tsom iav yuav tsum tau coj thaum siv.
- Tsis txhob kov ncaj qha rau ntawm daim tawv nqaij thiab nqus nws cov vapors, thiab ua haujlwm hauv qhov chaw muaj cua zoo.
- Thaum tuav thiab khaws cia 3,5-difluorobenzonitrile, yuav tsum tau saib xyuas kom tsis txhob muaj oxidants, muaj zog alkalis thiab lwm yam tshuaj tiv thaiv qhov tshwm sim ntawm kev txaus ntshai tshwm sim.
- Xa mus rau cov ntaub ntawv kev nyab xeeb thiab cov lus qhia txog kev tuav pov hwm thaum siv lossis tuav cov ntaub ntawv no, thiab ua raws li cov cai tswj hwm nruj me ntsis.
