2 5-Dichloro-3-nitropyridine (CAS# 21427-62-3)
| Koodu ihe egwu | R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ. R22 - na-emerụ ma ọ bụrụ na iloro ya R43 - nwere ike ịkpata uche site na kọntaktị akpụkpọ R41 - Ihe ize ndụ nke mmebi anya dị njọ R37 / 38 - na-akpasu iwe na usoro iku ume na akpụkpọ ahụ. R25 - Na-egbu egbu ma ọ bụrụ na iloro ya |
| Nkọwapụta nchekwa | S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu. S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike. S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.) |
| NJ UN | 2811 |
| WGK Germany | 1 |
| Koodu HS | 29333990 |
| Ihe edeturu egwu | Na-emerụ ahụ |
| Klas Hazard | 6.1 |
| Otu nkwakọ ngwaahịa | Ⅲ |
Okwu mmalite
2,5-Dichloro-3-nitropyridine bụ ngwakọta organic. Ndị a bụ mmalite nke akụrụngwa ya, ojiji ya, ụzọ nrụpụta ya na ozi nchekwa:
Ogo:
- Ọdịdị: 2,5-Dichloro-3-nitropyridine bụ kristal na-acha odo odo na-enweghị agba.
- Solubility: Ọ bụ soluble na organic solvents dị ka ethanol, dimethyl ether na chloroform, ma obere soluble na mmiri.
- Nkwụsi ike: Ngwakọta ahụ kwụsiri ike na ụlọ okpomọkụ, mana ọ na-agbawa agbawa na okpomọkụ dị elu ma ọ bụ na kọntaktị na ndị ọrụ oxidizing siri ike.
Jiri:
- Ọgwụ nje: Enwere ike iji ya dị ka ọgwụ ahụhụ ma nwee mmetụta nchịkwa dị mma na ụfọdụ pests.
Usoro:
Usoro njikọ nke 2,5-dichloro-3-nitropyridine na-agụnyekarị mmeghachi omume nitrification na mmeghachi omume chlorination. N'ime ha, usoro nchịkọta omenala bụ nitrate 2,5-dichloropyridine na nitric acid na ọnụnọ sulfuric acid. Ụzọ ọzọ bụ imeghachi omume 2-nitro-5-chloropyridine na acidic ọla kọpa bromide iji mepụta 2,5-dichloro-3-nitropyridine.
Ozi nchekwa:
- 2,5-Dichloro-3-nitropyridine bụ ngwakọta organic nke kwesịrị iji nlezianya mee ya iji gbochie ya ịbanye na kọntaktị na akpụkpọ ahụ, anya, na usoro iku ume.
- Yiri akụrụngwa nchebe kwesịrị ekwesị, gụnyere anya nchebe, uwe aka, na ọta ihu, mgbe ị na-arụ ọrụ.
- Mgbe ị na-arụ ọrụ, zere ikuku gas, alụlụ ma ọ bụ vapors ma nọgide na-enwe ezigbo ikuku.
- N'ihe gbasara akpụkpọ ahụ ma ọ bụ anya, kpochaa ya ozugbo na mmiri buru ibu ma kpọtụrụ dọkịta.
- Mgbe ị na-echekwa, 2,5-dichloro-3-nitropyridine kwesịrị idobe ya n'ebe akọrọ, dị jụụ, nke ọma na-ekpo ọkụ, pụọ na mgbanye ọkụ na oxidants.
