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sehlahisoa

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

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C7H10N2
'Misa oa Molar 122.17
Botenya 0.987g/mLat 25°C
Boling Point 57°C10mm Hg(lit.)
Flash point 138°F
JECFA Nomoro 768
Ho qhibiliha ha Metsi qhibilihang ka mokhoa o fokolang
Solubility qhibilihang ka mokhoa o fokolang
Khatello ea Mouoane 1.69mmHg ho 25°C
Ponahalo makhethe
Matla a Khoheli a khethehileng 0.987
BRN 956775
pKa 1.94±0.10(E boletsoeng esale pele)
Boemo ba polokelo E tiisitsoe ka ho omme, Mocheso oa Kamore
Refractive Index n20/D 1.503(lit.)
Thepa ea 'Mele le ea Lik'hemik'hale Boima ba 0.987
ntlha e belang 170°C
ND20 1.502-1.504
ntlha ea khanya ea 57°C
qhibiliha ka metsi ka mokhoa o fokolang

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R22 – E kotsi ha e kwetswe
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S24/25 - Qoba ho kopana le letlalo le mahlo.
Li-ID tsa UN UN 1993 3/PG 3
WGK Jeremane 3
RTECS UQ3335000
TSCA Ee
Khoutu ea HS 29339900
Tsebiso ea Kotsi E tenang
Sehlopha sa Likotsi 3
Sehlopha sa ho paka III
Chefo GRAS (FEMA).

 

Selelekela

2-Ethyl-3-methylpyrazine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa ea eona, tšebeliso, mekhoa ea tlhahiso le tlhaiso-leseling ea polokeho:

 

Boleng:

- Ponahalo: 2-ethyl-3-methylpyrazine e ka har'a mokelikeli o se nang 'mala kapa mofuta o tiileng oa kristale.

- Sollubility: E na le ho qhibiliha ho tlase metsing, empa e ka qhibiliha ka har'a metsoako ea tlhaho.

- Botsitso: Ke motsoako o tsitsitseng, empa ho kopana le li-oxidants tse matla le li-acids tse matla li lokela ho qojoa.

 

Sebelisa:

- 2-Ethyl-3-methylpyrazine ke reagent e sebelisoang ka tloaelo 'me e boetse e sebelisoa e le karolo e bohareng ea motsoako oa lik'hemik'hale.

 

Mokhoa:

2-Ethyl-3-methylpyrazine e ka lokisoa ka mekhoa e latelang:

- Ethyl bromide e qala ho sebetsa ka pyrazine ho hlahisa 2-ethylpyrazine tlas'a maemo a alkaline.

- Ka mor'a moo, 2-ethylpyrazine e sebetsanoa le methyl bromide ho fana ka 2-ethyl-3-methylpyrazine ea ho qetela.

 

Lintlha tsa Tšireletseho:

- 2-Ethyl-3-methylpyrazine ka kakaretso e nkoa e le chefo e tlaase, empa mekhoa e nepahetseng ea tšireletso e lokela ho lateloa.

- Qoba ho hema, ho ama letlalo le mahlo, 'me u roale lisebelisoa tsa ts'ireletso tse kang liatlana, likhalase le lithebe tsa sefahleho.

- Ha u boloka le ho tšoara, e boloke hole le mehloli e tukang le lintho tse nang le oxidizing ho qoba kotsi ea mollo le ho phatloha.

- Sheba lingoliloeng tse amehang tsa polokeho le maqephe a data a polokeho a fanoeng ke mofani oa thepa bakeng sa tlhaiso-leseling e batsi le e nepahetseng ea polokeho.


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