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mankhwala

2-Acetyl pyrazine (CAS#22047-25-2)

Chemical Property:

Molecular Formula Chithunzi cha C6H6N2O
Molar Misa 122.12
Kuchulukana 1.1075
Melting Point 76-78 °C (kuyatsa)
Boling Point 78-79 ° C 8mm
Pophulikira 78-79 ° C / 8mm
Nambala ya JECFA 784
Kusungunuka Kusungunuka m'madzi, kusungunuka mwachangu pansi pa asidi kapena zamchere, osasungunuka mu ethanol ndi etha
Kuthamanga kwa Vapor 0.095mmHg pa 25°C
Maonekedwe Crystalline ufa
Mtundu White mpaka Off-White
Kununkhira fungo la popcorn
Mtengo wa BRN 109630
pKa 0.30±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
Zomverera Zosavuta kuyamwa chinyezi komanso kumva mpweya
Refractive Index 1.5350 (chiyerekezo)
MDL Mtengo wa MFCD00006134
Zakuthupi ndi Zamankhwala Malo osungunuka 75-78 ° C

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.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
WGK Germany 2
TSCA T
HS kodi 29339900
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2-acetylpyrazine ndi organic pawiri. Ili ndi kukoma ndi fungo lofanana ndi mkate wowotcha kapena chakudya chokazinga. Zotsatirazi ndizofotokozera mwatsatanetsatane za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha 2-acetylpyrazine:

 

Ubwino:

- Maonekedwe: 2-acetylpyrazine ndi madzi opanda mtundu kapena achikasu okhala ndi fungo lapadera.

- Kusungunuka: Kusungunuka mu mowa, ketone ndi zosungunulira za ether, zosasungunuka m'madzi.

 

Gwiritsani ntchito:

 

Njira:

Pali njira zingapo zokonzekera 2-acetylpyrazine:

- Zopezedwa kuchokera ku 1,4-diacetylbenzene ndi hydrazine.

- Amapezeka pochepetsa kuchepetsa 2-acetyl-3-methoxypyrazine ndi haidrojeni.

 

Zambiri Zachitetezo:

- Pewani kukhudza khungu ndi maso, ndipo valani magolovesi ndi magalasi mukamagwiritsa ntchito.

- Pewani kutulutsa nthunzi yake ndikugwirira ntchito pamalo olowera mpweya wabwino.

- Posunga, iyenera kusungidwa yosindikizidwa mwamphamvu, kutali ndi moto ndi okosijeni.

- Tsatirani njira zoyendetsera chitetezo ndi malamulo apantchito mukamagwiritsa ntchito ndikugwira.

 


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