5-BROMO-2-CARBOXY-3-METHYLPYRIDINE (CAS # 886365-43-1)
| Kev nyab xeeb piav qhia | S如果吸入5 - S 溴 - S3 - Khaws rau hauv qhov chaw txias. S 甲基吡啶 - S2 - Khaws kom deb ntawm cov menyuam yaus. S甲酸，请将患者移到新鲜空气处；如果皮肤接触，应脱去污染的衣着，用肥皂水和清水彻底冲洗皮肤，如有不适感，就医；如果眼晴接触，应分开眼睑，用流动清水或生理盐水冲洗，并立即就医；如果食入，立即漱口，禁止催吐，应立即就医。 - |
| UN IDs | UN 2811 |
Taw qhia
5-Bromo-3-methylpyridine-2-carboxylic acid yog cov organic compound. Nov yog qee yam ntawm cov khoom, kev siv, kev npaj, thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom sib xyaw no:
Zoo:
- Cov tsos mob: tsis muaj xim lossis yellowish crystals
- Solubility: soluble hauv ethanol thiab ether, me ntsis soluble hauv dej.
Siv:
- 5-Bromo-3-methylpyridine-2-carboxylic acid feem ntau yog siv los ua catalyst thiab ua ntej ntawm cov khoom siv lead ua kua hauv cov organic synthesis.
Txoj kev:
5-Bromo-3-methylpyridine-2-carboxylic acid tuaj yeem npaj los ntawm:
3-methylpyridine-2-carboxylic acid tau muab coj los ua raw khoom, sodium bromide, sulfonyl chloride thiab dimethylformamide tau ntxiv rau daim ntawv 5-bromo-3-methylpyridine-2-carboxylic acid.
Nws tuaj yeem tau txais los ntawm oxidation ntawm 5-bromo-3-methylpyridine-2-ol.
Cov ntaub ntawv kev nyab xeeb:
- 5-Bromo-3-methylpyridine-2-carboxylic acid yuav tsum tau muab khaws cia thiab ua haujlwm hauv txoj kev uas tsis txhob sib cuag nrog cov oxidants muaj zog.
- Nws tuaj yeem ua rau khaus thiab ua rau lub qhov muag, tawv nqaij, thiab ua pa, thiab siv cov cuab yeej tiv thaiv tus kheej xws li hnab looj tes, tsom iav, thiab lub tshuab ua pa thaum siv ceev faj thaum kov.
- Thaum tuav lossis khaws cia, tsis txhob muaj qhov kub thiab txias thiab qhov hluav taws kub tiv thaiv kom tsis txhob hlawv lossis tso cov pa phem.
- Ua raws li cov txheej txheem ua haujlwm nyab xeeb thaum siv thiab tuav cov khoom sib xyaw thiab ua raws li kev tiv thaiv kev nyab xeeb tshuaj lom neeg.
