4-Bromo-2-chlorobenzoic acid (CAS # 59748-90-2)
| Risk Codes | R22 - Ua phem yog tias nqos R50/53 - Muaj tshuaj lom heev rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev hauv cov dej hauv dej. |
| Kev nyab xeeb piav qhia | S60 - Cov khoom no thiab nws lub thawv yuav tsum tau muab pov tseg raws li cov khoom pov tseg. S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 291639 0 |
| Hazard Class | IRRITANT |
| Packing Group | Ⅲ |
Taw qhia
Zoo:
2-Chloro-4-bromobenzoic acid yog cov khoom uas muaj cov dawb crystalline tsos. Nws muaj qhov zoo solubility ntawm chav tsev kub thiab tuaj yeem yaj hauv qee cov organic solvents, xws li ethanol thiab ether.
Siv:
2-Chloro-4-bromobenzoic acid tuaj yeem siv los ua qhov nruab nrab hauv cov organic synthesis. Nws tseem tuaj yeem siv rau hauv kev npaj cov organic teeb-emitting diodes (OLEDs) ua ib qho ntawm cov ntaub ntawv tseem ceeb hauv daim teb no.
Txoj kev:
2-Chloro-4-bromobenzoic acid yog npaj nyob rau hauv ntau txoj kev, thiab benzoic acid feem ntau yog siv los ua cov khoom pib hauv chav kuaj. Cov txheej txheem synthesis tshwj xeeb suav nrog cov tshuaj tiv thaiv xws li chlorination, bromination, thiab carboxylation, uas feem ntau yuav tsum tau siv cov catalysts thiab reagents.
Cov ntaub ntawv kev nyab xeeb:
2-Chloro-4-bromobenzoic acid yog ib qho organic compound, thiab rau kev nyab xeeb, cov khoom siv tiv thaiv tus kheej tsim nyog xws li hnab looj tes, tsom iav, thiab cov khaub ncaws hauv chav kuaj yuav tsum hnav thaum tuav. Nws tuaj yeem ua rau khaus ntawm qhov muag, tawv nqaij, thiab ua pa thiab yuav tsum tau zam. Nws yuav tsum tau khaws cia kom deb ntawm cov nplaim taws thiab qhov kub thiab txias thaum nws khaws cia thiab siv kom tsis txhob muaj cov pa phem ntau lawm.
