4- (Trifluoromethoxy) benzoic acid (CAS # 330-12-1)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus 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 |
| WGK Germany | 3 |
| HS Code | 29189900 ib |
| Hazard Class | IRRITANT |
Taw qhia
4-(Trifluoromethoxy) benzoic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
Cov tsos mob: 4-(trifluoromethoxy) benzoic acid yog cov xim tsis muaj kob crystalline.
- Solubility: Soluble nyob rau hauv cov organic solvents xws li ether thiab methylene chloride.
- Kev ruaj ntseg: ruaj khov ntawm chav tsev kub, tab sis tsis txhob sib cuag nrog cov oxidants muaj zog.
Siv:
- 4-(trifluoromethoxy) benzoic acid feem ntau yog siv los ua cov tshuaj reagent hauv cov tshuaj tiv thaiv kab mob.
- Nws tuaj yeem siv los ua pawg tiv thaiv trifluoromethoxy rau cov tshuaj tsw qab aldehyde.
Txoj kev:
- Muaj ntau txoj hauv kev npaj rau 4-(trifluoromethoxy) benzoic acid, thiab ib qho ntawm cov kev siv feem ntau yog los ua 4-hydroxybenzoic acid nrog trifluoromethyl cawv los tsim cov khoom lag luam.
Cov ntaub ntawv kev nyab xeeb:
- Cov hmoov av ntawm 4-(trifluoromethoxy) benzoic acid tej zaum yuav ua rau khaus khaus ntawm lub ntsws thiab ob lub qhov muag, thiab kev nqus pa thiab sib cuag nrog lub qhov muag yuav tsum zam.
- Hnav cov khoom tiv thaiv tsim nyog, xws li hnab looj tes thiab looj tsom iav, thaum ua haujlwm.
- Thaum khaws cia thiab tuav, yuav tsum tau ua raws li kev soj ntsuam thiab cov ntawv qhia kev nyab xeeb.
