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umkhiqizo

2-Ethyl-3-methyl pyrazine (CAS#15707-23-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H10N2
I-Molar Mass 122.17
Ukuminyana 0.987g/mLat 25°C
I-Boling Point 57°C10mm Hg(lit.)
I-Flash Point 138°F
Inombolo ye-JECFA 768
Ukuncibilika kwamanzi encibilikayo kancane
Ukuncibilika encibilikayo kancane
I-Vapor Presure 1.69mmHg ku-25°C
Ukubukeka icocekile
I-Gravity ethize 0.987
I-BRN 956775
pKa 1.94±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index n20/D 1.503(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Ukuminyana 0.987
iphoyinti lokubilisa 170°C
ND20 1.502-1.504
iphoyinti elikhanyayo 57°C
amanzi-encibilika kancane

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
Ama-ID e-UN UN 1993 3/PG 3
I-WGK Germany 3
I-RTECS UQ3335000
I-TSCA Yebo
Ikhodi ye-HS 29339900
Inothi Lengozi Iyacasula
I-Hazard Class 3
Iqembu Lokupakisha III
Ubuthi I-GRAS(FEMA).

 

Isingeniso

I-2-Ethyl-3-methylpyrazine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: I-2-ethyl-3-methylpyrazine ikuketshezi olungenambala noma ifomu lekristalu eliqinile.

- Ukunyibilika: Inokuncibilika okuphansi emanzini, kodwa ingancibilika kuzincibilikisi zemvelo.

- Ukuzinza: Kuyinhlanganisela ezinzile, kodwa ukuthintana nama-oxidants aqinile nama-asidi aqinile kufanele kugwenywe.

 

Sebenzisa:

- I-2-Ethyl-3-methylpyrazine i-reagent evame ukusetshenziswa futhi ibuye isetshenziswe njengendawo ephakathi ekuhlanganiseni kwamakhemikhali.

 

Indlela:

I-2-Ethyl-3-methylpyrazine ingalungiswa ngalezi zindlela ezilandelayo:

- I-Ethyl bromide iqala ukusabela nge-pyrazine ukukhiqiza i-2-ethylpyrazine ngaphansi kwezimo ze-alkali.

- Ngokulandelayo, i-2-ethylpyrazine isabela nge-methyl bromide ukunikeza i-2-ethyl-3-methylpyrazine yokugcina.

 

Ulwazi Lokuphepha:

- I-2-Ethyl-3-methylpyrazine ngokuvamile ibhekwa njengenobuthi obuphansi, kodwa izinqubo zokuphepha ezifanele zidinga ukulandelwa.

- Gwema ukuhogela, ukuthinta isikhumba namehlo, futhi gqoka izinto zokuzivikela ezifana namagilavu, izibuko, nezihlangu zobuso.

- Uma uyigcina futhi uyiphatha, yigcine kude nemithombo yokuthungela kanye nama-oxidizing ukuze ugweme ingozi yomlilo nokuqhuma.

- Bheka ezincwadini zokuphepha ezifanele kanye namaphepha edatha ezokuphepha ahlinzekwa umphakeli ukuze uthole ulwazi oluningiliziwe nolunembile lwezokuphepha.


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