3-Bromo-2-hydroxy-5-nitropyridine (CAS # 15862-33-6)
Risk thiab Safety
| Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag |
| 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. S39 - Hnav qhov muag / ntsej muag tiv thaiv. |
| UN IDs | UN 2811 6.1 / PGIII |
| WGK Germany | 3 |
| Kev Ceeb Toom | Irritant |
| Hazard Class | TSIS TXAUS SIAB, Cia txias |
Kev taw qhia luv luv
3-Bromo-5-nitro-2-hydroxypyridine yog ib qho organic compound feem ntau hu ua BNHO.
Khoom: Zoo:
- Cov tsos mob: BNHO yog lub teeb daj daj lossis crystalline hmoov.
- Solubility: nws yog me ntsis soluble hauv dej, soluble hauv cawv, ether thiab lwm yam organic solvents.
Kev siv:
- Cov khoom siv tshuaj tua kab: BNHO tuaj yeem siv los ua raw khoom rau kev sib txuas ntawm qee yam tshuaj tua kab.
Txoj kev npaj:
Muaj ob txoj hauv kev npaj: ib qho yog los ntawm alkylation cov tshuaj tiv thaiv ntawm bromobenzene thiab 2-hydroxypyridine kom tau 3-bromo-2-hydroxypyridine, thiab tom qab ntawd hnov mob nrog nitric acid kom tau 3-bromo-5-nitro-2-hydroxypyridine. Lwm qhov yog los ntawm cov tshuaj tiv thaiv ntawm 2-bromo-3-methylpyridine nrog nitric acid kom tau 3-bromo-5-nitro-2-hydroxypyridine.
Cov ntaub ntawv kev nyab xeeb:
- BNHO yog ib qho organohalogen compound uas muaj tshuaj lom thiab khaus thiab kev tiv thaiv yuav tsum tau soj ntsuam.
- Tsis txhob sib cuag nrog daim tawv nqaij, qhov muag thiab mucous daim nyias nyias; Thaum muaj kev sib cuag, yaug tam sim ntawd nrog dej ntau.
- Hnav cov khoom tiv thaiv tus kheej tsim nyog, xws li cov hnab looj tes kuaj thiab tsom iav kev nyab xeeb, thaum siv thiab npaj nws.
- Tsis txhob nqus nws cov vapor lossis hmoov av thiab ua haujlwm hauv qhov chaw muaj cua zoo.
- Nws yuav tsum tau muab cia rau hauv qhov chaw qhuav, txias thiab qhov cua kom deb ntawm qhov chaw hluav taws xob lossis cov oxidizing cov neeg ua haujlwm.
