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3-Bromo-2-methylpyridine (CAS# 38749-79-0)

Ngwongwo kemịkalụ:

Usoro ihe omimi C6H6BrN
Molar Mass 172.02
Njupụta 1.495
Ebe Boling 76°C/17mm
Ebe mgbari 174°F
Uzuoku nrịbama 1.27mmHg na 25°C
Ọdịdị Mmiri mmiri
Agba doro anya, enweghị agba ruo aja aja
pKa 3.59±0.10 (buru amụma)
Ọnọdụ Nchekwa Ikuku ikuku, Okpomọkụ ụlọ
Ntụgharị uche 1.5604
MDL MFCD00191224
Njirimara anụ ahụ na kemịkalụ Njupụta: 1.549
Jiri Mmeghachi omume NBS-dibromination malitere site na peroxide na mmeghachi omume hydrolysis na-esote nwere ike ịtụgharị n'ime pyridine formaldehyde kwekọrọ.

Nkọwa ngwaahịa

Mkpado ngwaahịa

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
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36/39 -
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
WGK Germany 3
Koodu HS 29333990
Klas Hazard Iwe

 

Okwu mmalite

2-methyl-3-bromopyridine bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke akụrụngwa, ojiji, ụzọ nkwadebe na ozi nchekwa nke ogige ahụ:

 

Ogo:

2-Methyl-3-bromopyridine bụ mmiri mmiri na-enweghị agba nke na-esi ísì ụtọ yiri pyridine.

 

Jiri:

A na-ejikarị 2-Methyl-3-bromopyridine eme ihe dị ka reagent na etiti na njikọ organic.

 

Usoro:

N'ozuzu, nkwadebe nke 2-methyl-3-bromopyridine nwere ike nweta site na mmeghachi omume bromination nke pyridine. Usoro nchịkọta a na-ejikarị eme ihe bụ imeghachi 2-methylpyridine na bromine n'ime ihe mgbaze organic dị ka chloroform, na-eji sodium hydroxide dị ka ihe na-akpali akpali.

 

Ozi nchekwa: Ọ bụ ihe na-egbu egbu nke nwere ike ịkpata mgbakasị ahụ na imebi usoro iku ume mmadụ, akpụkpọ ahụ, na anya. Ngwa nchedo onwe onye kwesịrị ekwesị dị ka gloves kemịkalụ, ugogbe anya anya, na uwe nchebe ga-eyirịrị mgbe a na-eji ya eme ihe na a ga-ezere kọntaktị ozugbo. N'oge nchekwa na njikwa, ọ dị mkpa ịṅa ntị na ọkụ na ọkụ, ma hụ na a na-edebe ya na ọkụ na ọkụ ọkụ. Nke kachasị mkpa, soro usoro arụ ọrụ dị mma maka kemịkalụ ma soro iwu ndị dị mkpa.


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