5-BROMO-2-HYDROXY-3-PICOLINE (CAS # 89488-30-2)
| Risk Codes | R22 - Ua phem yog tias nqos R38 - Irritating rau ntawm daim tawv nqaij R41 - Riam phom loj rau qhov muag R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S36 - Hnav khaub ncaws tiv thaiv zoo. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. |
| WGK Germany | 3 |
| HS Code | 29337900 ib |
| Kev Ceeb Toom | Ua phem |
| Hazard Class | IRRITANT |
Taw qhia
Nws yog ib qho organic compound nrog cov tshuaj formula C6H6BrNO. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm: Nws yog daj mus rau liab crystal nrog ib tug muaj zog tsw. Nws yog insoluble hauv dej ntawm qhov kub thiab txias, tab sis soluble hauv cov kuab tshuaj organic xws li cawv thiab ethers.
Siv: Nws yog ib qho tseem ceeb organic synthesis nruab nrab. Nws yog feem ntau siv nyob rau hauv synthesis ntawm cov khoom xyaw tshuaj, tshuaj tua kab thiab nroj tsuag tiv thaiv kab mob. Tsis tas li ntawd, nws tseem tuaj yeem siv los ua cov catalyst hauv cov organic synthesis cov tshuaj tiv thaiv.
Txoj kev npaj: kev npaj tuaj yeem tau txais los ntawm bromination ntawm 3-methyl pyridine thiab tom qab ntawd nucleophilic hloov cov tshuaj tiv thaiv ntawm nitrogen. Txoj kev npaj tshwj xeeb tuaj yeem xaiv raws li qhov xav tau thiab cov xwm txheej.
Cov ntaub ntawv kev nyab xeeb: Nws yog cov organic compound, yog li yuav tsum tau them nyiaj rau nws qhov kev phom sij rau tib neeg lub cev. Kev sib cuag nrog cov tshuaj no yuav ua rau khaus thiab qhov muag puas. Kev tiv thaiv tsim nyog, xws li hnab looj tes, tsom iav thiab khaub ncaws tiv thaiv, yuav tsum tau ua thaum ua haujlwm. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog yuav tsum khaws cia thiab pov tseg ntawm qhov sib xyaw no kom tsis txhob muaj kuab paug ib puag ncig thiab kev nyab xeeb ntawm tus kheej. Yog tias tsim nyog, muab pov tseg thiab pov tseg kom zoo yuav tsum tau ua raws li cov kev cai thiab cov ntaub ntawv qhia.
