ibe_banner

ngwaahịa

3-BROMO-4-METHOXY-PYRIDINE(CAS# 82257-09-8)

Ngwongwo kemịkalụ:

Usoro ihe omimi C6H6BrNO
Molar Mass 188.02
Njupụta 1.530±0.06 g/cm3 (buru amụma)
Ebe Boling 214.5± 20.0 Celsius C (buru amụma)
Ebe mgbari 83.5C
Mmiri Solubility Na-agbaze ntakịrị na mmiri (9.8 g / L).
Uzuoku nrịbama 0.227mmHg na 25°C
Ọdịdị Mmiri mmiri
Agba Agba odo odo
pKa 4.19±0.18 (buru amụma)
Ọnọdụ Nchekwa Ikuku ikuku, chekwaa na friza, n'okpuru -20 Celsius
Ntụgharị uche 1.542

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xn - na-emerụ ahụ
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.

 

Okwu mmalite

3-bromo-4-methoxypyridine bụ ngwakọta organic nke nwere usoro kemịkalụ nke C6H6BrNO na ịdị arọ molekụla nke 188.03. Nke a bụ nkọwa nke ọdịdị ya, ojiji ya, nkwadebe na ozi nchekwa ya:

 

Ọdịdị:

1. Ọdịdị: 3-bromo-4-methoxypyridine bụ ìhè odo na-acha odo odo siri ike.

2. solubility: soluble na organic solvents dị ka ether na chlorinated hydrocarbons, insoluble na mmiri.

3. ebe agbaze: ihe dịka 50-53 ℃.

4. njupụta: banyere 1.54 g / cm.

 

Jiri:

3-bromo-4-methoxypyridine bụ ihe dị mkpa na-emepụta ihe na-edozi ahụ, nke a na-ejikarị eme ihe na nchịkọta nke pesticides, pharmaceuticals na ndị ọzọ organic ogige. Ọ nwere ngwa dị iche iche na ngalaba nyocha kemịkalụ na ọgwụ.

 

Ụzọ nkwadebe:

A na-ejikọta 3-bromo-4-methoxypyridine site na usoro ndị a:

1. A na-emeghachi 2-bromo-5-nitropyridine na methanol iji nweta 2-methoxy-5-nitropyridine.

2. 2-methoxy-5-nitropyridine na-emeghachi omume na cuprous bromide kwadebere na sulfuric acid iji nweta 3-bromo-4-methoxypyridine.

 

Ozi nchekwa:

1. 3-bromo-4-methoxypyridine na-akpasu iwe na kwesịrị izere kọntaktị na akpụkpọ ahụ, anya na akụkụ iku ume.

2. na njikwa na iji, kwesịrị iyi akụrụngwa nchedo onwe onye kwesịrị ekwesị, dị ka uwe aka na ugogbe nchekwa.

3. Nchekwa kwesịrị igbochi kọntaktị na oxidants na acid siri ike, ma debe akpa ahụ.

4. N'okpuru iji ezi uche mee ihe na ọnọdụ nchekwa, 3-bromo-4-methoxypyridine bụ ihe dị mma na-adịghị mma, ma ọ ka kwesịrị iji nlezianya rụọ ọrụ.


  • Nke gara aga:
  • Osote:

  • Dee ozi gị ebe a ziga anyị ya