5-Chloro-2-fluorobenzoic acid (CAS # 394-30-9)
Risk thiab Safety
| Risk Codes | R36 - Khau qhov muag R37/38 - Kab mob ua pa thiab tawv nqaij. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. |
| Kev nyab xeeb piav qhia | S22 - Tsis txhob nqus plua plav. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S37 - Hnav cov hnab looj tes tsim nyog. 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 |
| Hazard Class | IRRITANT |
5-Chloro-2-fluorobenzoic acid(CAS #394-30-9 : kuv) Taw qhia
2-Fluoro-5-chlorobenzoic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom sib xyaw no:
Khoom:
2-Fluoro-5-chlorobenzoic acid yog cov khoom dawb nrog cov ntxhiab tsw tshwj xeeb. Nws yog insoluble nyob rau hauv dej ntawm chav tsev kub, tab sis soluble nyob rau hauv organic solvents xws li ethanol thiab ether.
Kev siv:
Txoj kev npaj:
Muaj ntau txoj hauv kev los npaj 2-Fluoro-5-chlorobenzoic acid. Ib txoj hauv kev uas nquag siv yog cov tshuaj tiv thaiv ntawm 2-Fluoro-5-chlorobenzaldehyde nrog zinc, thiab cov tshuaj tiv thaiv carboxylation nyob rau hauv acidic tej yam kev mob kom tau 2-Fluoro-5-chlorobenzoic acid.
Cov ntaub ntawv kev nyab xeeb:
Thaum tuav 2-Fluoro-5-chlorobenzoic acid, yuav tsum tau saib xyuas kom tsis txhob muaj kev sib cuag ncaj qha rau ntawm daim tawv nqaij thiab qhov muag thiab tsis txhob nqus nws vapor. Hnav cov hnab looj tes tiv thaiv thiab tsom iav kom tsim nyog thaum lub sijhawm ua haujlwm thiab xyuas kom meej tias qhov chaw ua haujlwm muaj qhov cua zoo. Lub compound yuav tsum muab cia rau hauv qhov chaw qhuav, txias kom deb ntawm hluav taws thiab oxidants.
