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5-Methyl quinoxaline (CAS#13708-12-8)

Chemical Property:

Molecular Formula C9H8N2
Molar Misa 144.17
Kuchulukana 1.125 g/mL pa 25 °C
Melting Point 20-21 ° C (kuyatsa)
Boling Point 120 °C/15 mmHg (kuyatsa)
Pophulikira >230°F
Nambala ya JECFA 798
Kuthamanga kwa Vapor 0.0465mmHg pa 25°C
Maonekedwe mwaukhondo
Specific Gravity 1.112
pKa 1.40±0.30 (Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index n20/D 1.62(lit.)

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
WGK Germany 3
TSCA Inde
HS kodi 29339900
Zowopsa Zokwiyitsa

 

Mawu Oyamba

5-Methylquinoxaline ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha 5-methylquinoxaline:

 

Ubwino:

- Maselo a 5-methylquinoxaline ali ndi maatomu a okosijeni ndi mawonekedwe a cyclic, ndipo chigawochi chimasonyeza kukhazikika kwa kutentha.

- 5-Methylquinoxaline imakhala yokhazikika mumlengalenga ndipo imatha kusungidwa bwino kutentha kwachipinda.

 

Gwiritsani ntchito:

- Itha kugwiritsidwanso ntchito ngati ligand ndikuchita nawo zochitika zolimbikitsa monga kupanga ma coordination complexes.

 

Njira:

- Imodzi mwa njira zomwe zimagwiritsidwa ntchito kwambiri mu labotale ndikupeza 5-methylquinoxaline ndi methylation. Zochita zitha kuchitika pogwiritsa ntchito methylation reagents (mwachitsanzo, methyl iodide) ndi zinthu zofunika (mwachitsanzo, sodium carbonate).

 

Zambiri Zachitetezo:

- 5-Methylquinoxaline ilibe poizoni wocheperako, koma ikufunikabe kusamaliridwa bwino.

- Panthawi ya ndondomekoyi, kukhudzana ndi khungu, maso, ndi kupuma kuyenera kupewedwa kuti tipewe kupsa mtima kapena kuvulala.

- Posunga ndikugwiritsa ntchito 5-methylquinoxaline, malamulo ndi njira zokhuza mankhwala ziyenera kutsatiridwa kuti zitsimikizire kusungidwa kotetezeka ndi kusamalira.

 


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