2 4-Difluorobenzaldehyde (CAS # 1550-35-2)
Risk thiab Safety
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | R10 - Flammable 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. |
| UN IDs | UN 1989 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODE | 10-23 |
| HS Code | 29130 000 Nws |
| Kev Ceeb Toom | Irritant |
| Hazard Class | 3 |
| Packing Group | III |
Taw qhia
2,4-Difluorobenzaldehyde yog ib qho organic compound. Cov hauv qab no yog kev qhia txog nws cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Cov tsos mob: tsis muaj xim los yog kua daj daj.
- Solubility: soluble nyob rau hauv organic solvents xws li cawv, ethers thiab chlorinated hydrocarbons.
Siv:
- 2,4-Difluorobenzaldehyde feem ntau yog siv los ua ib qho nruab nrab hauv kev sib txuas ntawm lwm cov organic tebchaw.
- Cov ntawv thov tseem ceeb hauv kev sib txuas ntawm qee cov photosensitizers.
Txoj kev:
2,4-difluorobenzaldehyde feem ntau yog npaj los ntawm cov hauv qab no:
- Nws tuaj yeem tau txais los ntawm reacting benzaldehyde nrog hydrogen fluoride, feem ntau ntawm 40-50 ° C.
- Nws tuaj yeem npaj tau los ntawm kev ua haujlwm nrog chlorobenzaldehyde nrog hydrogen fluoride lossis fluorosilanes.
Cov ntaub ntawv kev nyab xeeb:
- 2,4-Difluorobenzaldehyde tej zaum yuav ua rau khaus tawv nqaij, qhov muag, thiab ua pa. Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav, thiab kev tiv thaiv ua pa yuav tsum hnav thaum siv lossis tuav.
- Nws yuav tsum muab cia kom deb ntawm hluav taws thiab kub kub, nyob rau hauv ib qho chaw txias, qhuav, zoo-ventilated qhov chaw, thiab cais los ntawm oxidants thiab muaj zog alkaline tshuaj.
- Saib xyuas thiab ua raws li cov txheej txheem kev nyab xeeb muaj feem xyuam rau kev nthuav dav ua ntej siv.
