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sehlahisoa

2-Methoxy-3-sec-butyl pyrazine (CAS#24168-70-5)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C9H14N2O
'Misa oa Molar 166.22
Botenya 1g/mLat 25°C
Melting Point 92-94 ℃
Boling Point 50°C1mm Hg(lit.)
Flash point 171°F
JECFA Nomoro 791
Solubility Chloroform (Hanyenyane), Methanol (Hanyenyane)
Khatello ea Mouoane 0.0995mmHg ho 25°C
Ponahalo Mokelikeli
Matla a Khoheli a khethehileng 1.01
Mmala E hlakileng e se nang 'mala
pKa 0.80±0.10(E boletsoeng esale pele)
Boemo ba polokelo E tiisitsoe ka ho omme, Mocheso oa Kamore
Refractive Index n20/D 1.492(lit.)
Thepa ea 'Mele le ea Lik'hemik'hale Seela se se nang mmala se bonaletsang. Bohloeki ≥ 99%. Mefuta e belang 92-94 °c (12.6 7千帕).
Sebelisa E sebelisoa e le ntho ea letsatsi le letsatsi ea litlolo 'me e na le monko o monate.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R22 – E kotsi ha e kwetswe
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R20/21/22 – E kotsi ka ho hema, ho kopana le letlalo le ha e koetsoe.
Tlhaloso ea Tšireletseho S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36/37/38 -
Li-ID tsa UN UN 3334
WGK Jeremane 3
Khoutu ea HS 29339900

 

Selelekela

2-ethoxy-3-isopropylpyrazine ke motsoako oa lintho tse phelang.

 

Motsoako o na le litšobotsi tse latelang:

- Ponahalo: Mokelikeli o se nang mebala

- Sollubility: E qhibiliha ka har'a ethanol, ether le benzene, 'me ha e qhibilihe metsing

 

2-ethoxy-3-isopropylpyrazine e na le ts'ebeliso e ikhethang:

- E ka sebelisoa e le chefo e bolaeang likokoanyana lekaleng la temo. Tšhireletšong ya dibjalo, e ka šomišwa go laola disenyi tša go swana le dibjalo tša dibjalo mašemong a omilego.

- E boetse e sebelisoa ka tloaelo ho organic synthesis joalo ka mokelikeli le bohareng.

 

Mokhoa oa ho lokisa 2-ethoxy-3-isopropylpyrazine o ka fumanoa ka mehato e latelang:

1. 2-Pyridylcarboxylic acid le isopropyl bromide li itšoara tlas'a catalysis ea setsi sa ho hlahisa 2-isopropylpyridine.

2. 2-Isopropylpyridine e sebetsana le ethanol tlas'a maemo a acidic ho hlahisa 2-ethoxy-3-isopropylpyrazine.

 

- E halefisa ebile e senya, 'me e lokela ho hlatsoa ka metsi a mangata hang ka mor'a ho kopana le letlalo le mahlo.

- Ho lokela ho sebelisoe lisebelisoa tse loketseng tsa ho itšireletsa tse kang likhalase tsa tšireletso, liatlana le liaparo tse sireletsang.

- Nakong ea polokelo le lipalangoang, liketso tse nang le li-oxidants tse matla le li-acid li lokela ho qojoa, mocheso o phahameng le khanya ea letsatsi e tobileng e lokela ho qojoa.

 


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