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2-3-DiethylPyrazine (CAS#15707-24-1)

Chemical Property:

Molecular Formula C8H12N2
Molar Misa 136.19
Kuchulukana 0.963 g/mL pa 25 °C (kuyatsa)
Boling Point 180-182 ° C (kuyatsa)
Pophulikira 159°F
Nambala ya JECFA 771
Kuthamanga kwa Vapor 1.03mmHg pa 25°C
Maonekedwe Zowonekera mpaka zamadzimadzi zachikasu
Specific Gravity 0.963
Mtundu Zopanda mtundu mpaka Kuwala zachikasu
pKa 2.16±0.10 (Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda
Refractive Index n20/D 1.5(lit.)
MDL Mtengo wa MFCD00006151
Zakuthupi ndi Zamankhwala Kulemera kwake: 0.963
Kuphika kutentha: 180-182 ° C
ND20 1.499-1.501
kung'anima: 64°C
Gwiritsani ntchito Amagwiritsidwa ntchito ngati kukoma kwa chakudya

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S39 - Valani chitetezo chamaso / kumaso.
Ma ID a UN UN 3334
WGK Germany 3
TSCA Inde
HS kodi 29339900

 

Mawu Oyamba

2,3-diethylpyrazine ndi organic pawiri. Zotsatirazi ndizofotokozera za chikhalidwe chake, ntchito, njira yokonzekera ndi chidziwitso cha chitetezo:

 

Ubwino:

- Maonekedwe: 2,3-diethylpyrazine ndi madzi achikasu opepuka komanso onunkhira ofanana ndi utsi, toast ndi mtedza.

- Kusungunuka: Kutha kusungunuka mu zosungunulira za organic monga ethanol, ether ndi benzene.

 

Gwiritsani ntchito:

 

Njira:

2,3-diethylpyrazine nthawi zambiri imakonzedwa ndi zomwe pyrazine ndi ethyl bromide pamaso pa chothandizira zamchere.

 

Zambiri Zachitetezo:

- 2,3-Diethylpyrazine nthawi zambiri imakhala yotetezeka pakagwiritsidwe ntchito bwino ndipo ilibe kawopsedwe kakang'ono.

- Mankhwala aliwonse ayenera kugwiritsidwa ntchito mosamala, njira zotetezera ziyenera kutsatiridwa, kukhudzana ndi khungu ndi maso kuyenera kupewedwa, komanso kupeŵa kupuma kapena kuyamwa.

- Popanga kapena kugwiritsa ntchito kwakukulu, njira zotetezeka zogwirira ntchito ziyenera kuwonedwa, ndipo kasamalidwe ndi kuwongolera ziyenera kuchitika motsatira malamulo ndi malamulo.

 


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