5-Bromo-3-nitropyridine-2-carbonitrile (CAS # 573675-25-9)
| Risk Codes | R20/21 - Ua phem los ntawm kev nqus pa thiab sib cuag nrog daim tawv nqaij. R25 - Toxic yog 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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Kev Ceeb Toom | Tshuaj lom |
| Hazard Class | IRRITANT |
| Packing Group | Ⅲ |
Taw qhia
5-Bromo-2-cyano-3-nitropyridine yog cov organic compound.
Zoo:
5-Bromo-2-cyano-3-nitropyridine yog daj crystalline khoom nrog ib tug haus luam yeeb saj. Nws decomposes nyob rau hauv rhuab tej yam kev mob.
Siv:
5-Bromo-2-cyano-3-nitropyridine feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis.
Txoj kev:
Muaj ntau txoj hauv kev los npaj 5-bromo-2-cyano-3-nitropyridine. Ib txoj hauv kev yog los ua 2-cyano-3-nitropyridine nrog bromine nyob rau hauv acidic tej yam kev mob.
Cov ntaub ntawv kev nyab xeeb:
5-Bromo-2-cyano-3-nitropyridine yog cov tshuaj lom neeg. Kev sib cuag nrog daim tawv nqaij, nqus tau, lossis noj nws tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv. Cov cuab yeej tiv thaiv tus kheej tsim nyog xws li hnab looj tes, tsom iav, thiab cov tiv thaiv ua pa yuav tsum hnav thaum siv thiab tuav. Nws yuav tsum tau muab khaws cia thiab ua haujlwm zoo raws li cov cai hauv zos.
