tsamba_banner

mankhwala

2-Methoxy-3-sec-butyl pyrazine (CAS#24168-70-5)

Chemical Property:

Molecular Formula Chithunzi cha C9H14N2O
Molar Misa 166.22
Kuchulukana 1g/mLat 25°C
Melting Point 92-94 ℃
Boling Point 50°C1mm Hg(kuyatsa)
Pophulikira 171°F
Nambala ya JECFA 791
Kusungunuka Chloroform (Pang'ono), Methanol (Pang'ono)
Kuthamanga kwa Vapor 0.0995mmHg pa 25°C
Maonekedwe Madzi
Specific Gravity 1.01
Mtundu Zopanda mtundu
pKa 0.80±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index n20/D 1.492(lit.)
Zakuthupi ndi Zamankhwala Zamadzimadzi zowoneka bwino zopanda mtundu. Kuyera ≥ 99%. Kutentha osiyanasiyana 92-94 °c (12.6 7千帕).
Gwiritsani ntchito Amagwiritsidwa ntchito ngati zodzikongoletsera tsiku lililonse ndipo amakhala ndi fungo lonunkhira.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
Kufotokozera Zachitetezo S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36/37/38 -
Ma ID a UN UN 3334
WGK Germany 3
HS kodi 29339900

 

Mawu Oyamba

2-ethoxy-3-isopropylpyrazine ndi organic pawiri.

 

Chopangacho chili ndi zinthu zotsatirazi:

- Maonekedwe: Madzi opanda mtundu

- Kusungunuka: Kusungunuka mu ethanol, ether ndi benzene, osasungunuka m'madzi

 

2-ethoxy-3-isopropylpyrazine ili ndi ntchito zina zapadera:

- Itha kugwiritsidwa ntchito ngati mankhwala ophera tizilombo m'gawo laulimi. Poteteza mbewu, itha kugwiritsidwa ntchito polimbana ndi tizirombo monga ma planthoppers m'minda youma.

- Amagwiritsidwanso ntchito popanga organic synthesis ngati chothandizira komanso chapakati.

 

Njira yokonzekera 2-ethoxy-3-isopropylpyrazine ingapezeke mwa njira zotsatirazi:

1. 2-Pyridylcarboxylic acid ndi isopropyl bromide amachitidwa pansi pa catalysis ya maziko kuti apange 2-isopropylpyridine.

2. 2-Isopropylpyridine imakhudzidwa ndi ethanol pansi pa acidic mikhalidwe kupanga 2-ethoxy-3-isopropylpyrazine.

 

- Zimakwiyitsa komanso zimawononga, ndipo ziyenera kutsukidwa ndi madzi ambiri mukangokhudza khungu ndi maso.

- Zida zoyenera zodzitetezera monga magalasi, magolovesi ndi zovala zodzitetezera ziyenera kugwiritsidwa ntchito.

- Pakusungirako ndi kunyamula, zochita zokhala ndi ma okosijeni amphamvu ndi ma acid ziyenera kupewedwa, kutentha kwambiri komanso kuwala kwa dzuwa kuyenera kupewedwa.

 


  • Zam'mbuyo:
  • Ena:

  • Lembani uthenga wanu apa ndikutumiza kwa ife