3-Bromo-2-hydroxy-5-nitropyridine (CAS# 15862-33-6)
Ihe ize ndụ na Nchekwa
| Koodu ihe egwu | R22 - na-emerụ ma ọ bụrụ na iloro ya R37 / 38 - na-akpasu iwe na usoro iku ume na akpụkpọ ahụ. R41 - Ihe ize ndụ nke mmebi anya dị njọ |
| Nkọwapụta nchekwa | S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike. S39 - Yiri anya / nchedo ihu. |
| NJ UN | UN 2811 6.1 / PGIII |
| WGK Germany | 3 |
| Ihe edeturu egwu | Iwe iwe |
| Klas Hazard | NA-ewe iwe, na-ajụ oyi |
Okwu mmeghe dị nkenke
3-Bromo-5-nitro-2-hydroxypyridine bụ ngwakọta organic nke a na-akpọkarị BNHO.
Njirimara: Ọdịdị:
- Ọdịdị: BNHO bụ kristal edo edo ma ọ bụ ntụ ntụ.
- Solubility: ọ dị ntakịrị soluble na mmiri, soluble na mmanya, ether na ndị ọzọ organic solvents.
Na-eji:
- Ngwa ngwa pesticide: Enwere ike iji BNHO mee ihe dị ka akụrụngwa maka njikọ nke ụfọdụ pesticides.
Usoro nkwadebe:
Enwere ụzọ nkwadebe abụọ: otu bụ site na mmeghachi omume alkylation nke bromobenzene na 2-hydroxypyridine iji nweta 3-bromo-2-hydroxypyridine, wee meghachi omume na nitric acid iji nweta 3-bromo-5-nitro-2-hydroxypyridine. Nke ọzọ bụ site na mmeghachi omume nke 2-bromo-3-methylpyridine na nitric acid iji nweta 3-bromo-5-nitro-2-hydroxypyridine.
Ozi nchekwa:
- BNHO bụ ogige organohalogen nke na-egbu egbu na nke na-akpasu iwe na ihe nchebe kwesịrị ịhụ.
- Zere kọntaktị na akpụkpọ anụ, anya na akpụkpọ anụ mucous; ọ bụrụ na ị na-akpakọrịta, jiri mmiri buru ibu na-ekpochapụ ozugbo.
- Yiri akụrụngwa nchedo nkeonwe kwesịrị ekwesị, dị ka uwe ụlọ nyocha na ugegbe nchekwa, mgbe ị na-eji na ịkwado ya.
- Zere ikuru uzuoku ma ọ bụ uzuzu ya ma rụọ ọrụ n'ebe ikuku na-ekpo ọkụ.
- Ekwesịrị ịchekwa ya n'ebe kpọrọ nkụ, dị jụụ na nke ikuku na-adịghị na ebe mgbanye ọkụ ma ọ bụ ihe ndị na-emepụta ihe na-ekpo ọkụ.
