2-Fluoro-5-FORMYLBENZONITRILE (CAS # 218301-22-5)
Hazard Cov Cim | Xn – Ua phem |
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. |
WGK Germany | 3 |
HS Code | 2926 90 90 ib |
Kev Ceeb Toom | Ua phem |
Hazard Class | IRRITANT |
Taw qhia
3-Cyano-4-fluorobenzaldehyde (tseem hu ua 4-fluorobenzoyl cyanide) yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
Cov tsos mob: 3-Cyano-4-fluorobenzaldehyde yog cov xim tsis muaj kob crystalline.
- Solubility: Nws yog soluble hauv cov kuab tshuaj organic xws li ethanol, ether thiab chloroform, tab sis insoluble hauv dej.
Siv:
Txoj kev:
- 3-Cyano-4-fluorobenzaldehyde tuaj yeem tau los ntawm esterification ntawm 3-cyano-4-fluorobenzonitrile nrog acid. Rau cov kev npaj tshwj xeeb, thov xa mus rau cov kev sim tshwj xeeb hauv cov ntaub ntawv organic synthesis thiab phau ntawv qhia.
Cov ntaub ntawv kev nyab xeeb:
- Cov ntaub ntawv txwv muaj nyob rau ntawm toxicity thiab phom sij ntawm 3-cyano-4-fluorobenzaldehyde. Raws li cov organic compound, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev soj ntsuam tsim nyog thiab kev tiv thaiv tus kheej yuav tsum tau ua kom tsis txhob muaj kev sib cuag nrog daim tawv nqaij, nqus pa, lossis nqus cov khoom sib xyaw. Cov txheej txheem kev ua haujlwm nyab xeeb rau cov tshuaj yuav tsum tau ua raws li thaum siv, thiab cov khoom sib xyaw yuav tsum tau muab khaws cia kom zoo thiab ua haujlwm kom muaj kev nyab xeeb hauv chav kuaj.