6-bromo-2-methyl-3-nitropyridine (CAS # 22282-96-8)
| 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. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
Taw qhia
Nws yog ib qho organic compound nrog cov tshuaj formula C6H5BrN2O2. Cov hauv qab no yog cov lus piav qhia ntawm qee yam ntawm nws cov khoom, kev siv, txoj kev thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Zoo: Dawb crystalline khoom.
- Melting point: txog 130-132 ° C.
- Boiling point: txog 267-268 ° C.
-Solubility: Soluble nyob rau hauv qee cov organic solvents.
Siv:
-yuav siv tau rau cov organic synthesis cov tshuaj tiv thaiv, xws li cyanidation cov tshuaj tiv thaiv, nitration tshuaj tiv thaiv.
-Nws yog feem ntau siv los ua ib qho tseem ceeb nruab nrab rau synthesis ntawm lwm cov organic tebchaw.
-Nyob rau hauv kev tshawb fawb tshuaj, nws kuj yog siv los npaj ib co tshuaj tua kab mob.
Method: Lub synthesis ntawm
- feem ntau yog tau los ntawm nitration ntawm pyridine. Pyridine yog thawj reacted nrog nitric acid thiab concentrated sulfuric acid, thiab tom qab ntawd kho nrog hydrogen bromide tov kom tau lub hom phiaj cov khoom.
Cov ntaub ntawv kev nyab xeeb:
- yog ib qho organic compound nrog rau qee qhov kev phom sij. Hnav cov hnab looj tes tiv thaiv thiab tsom iav thaum ua haujlwm kom tsis txhob cuam tshuam ncaj qha rau ntawm daim tawv nqaij thiab qhov muag.
-Tsis txhob nqus cov plua plav lossis roj thiab ua haujlwm hauv qhov chaw ua haujlwm uas muaj cua zoo.
-Cov khoom xyaw yuav muaj teratogenic, carcinogenic lossis lwm yam teebmeem rau tib neeg, yog li cov txheej txheem kev nyab xeeb yuav tsum tau ua raws li nruj me ntsis. Nyob rau hauv kev sib cuag los yog inhalation tom qab overdose, yuav tsum tau kho raws sij hawm.
