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2-Mercapto Methyl Pyrazine (CAS#59021-02-2)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H6N2S
'Misa oa Molar 126.18
Botenya 1.187±0.06 g/cm3(E boletsoeng esale pele)
Boling Point 224.8±25.0 °C(E boletsoeng esale pele)
Flash point 89.8°C
JECFA Nomoro 794
Khatello ea Mouoane 0.134mmHg ho 25°C
pKa 8.73±0.25(E boletsoeng esale pele)
Refractive Index 1.577
Thepa ea 'Mele le ea Lik'hemik'hale FEMA: 3299

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Chefo GRAS (FEMA).

 

Selelekela

2-mercaptomethylpyrazine, e tsejoang hape e le 2-mercaptopyrazine methane kapa methazole, ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea 2-mercaptomethylpyrazine:

 

Boleng:

2-mercaptomethylpyrazine ha e na 'mala ho isa ho bosehla bo tiileng ba kristale e nang le monko o ikhethang oa thiol. E na le sollubility e ntle mochesong oa kamore 'me e qhibiliha ka metsing, joala le metsoako ea ketone.

 

Sebelisa:

2-mercaptomethylpyrazine e na le lisebelisoa tse fapaneng. Hangata e sebelisoa e le moemeli oa ho fokotsa lintho tse phelang 'me e khona ho fokotsa metsoako e kang ketone, aldehydes, acids le alkyl halides. E boetse e sebelisoa ho kopantseng li-ion complexes tsa tšepe, li-catalysts tsa organic synthesis, le li-intermediates bakeng sa li-fungicides le chefo e bolaeang likokoanyana.

 

Mokhoa:

Mokhoa o ka sehloohong oa ho itokisa oa 2-mercaptomethylpyrazine o hlahisoa ke karabelo ea 2-bromomethylpyrazine le sodium sulfide (kapa ammonium sulfide). Mehato e khethehileng ke e latelang:

2-Bromomethylpyrazine e sebetsanoa le sodium sulfide (kapa ammonium sulfide) ho hlahisa 2-mercaptopyrazine methane le lihlahisoa tse ling.

Motsoako oa karabelo o ile oa hloekisoa 'me oa khabisoa ho fumana 2-mercaptomethylpyrazine.

 

Lintlha tsa Tšireletseho:

2-Mercaptomethylpyrazine ke motsoako oa lintho tse phelang 'me o lokela ho sebelisoa ka mokhoa o sireletsehileng. E ka 'na ea e-ba le phello e khopisang mahlong, letlalong le tsamaisong ea ho hema. Apara liatlana tse sireletsang le likhalase tsa mahlo ha u sebelisa, 'me u netefatse hore ho na le tikoloho ea ts'ebetso e nang le moea o motle. Ha u sebetsana le lik'hemik'hale, latela mekhoa e nepahetseng ea laboratori ho thibela ho pepeseha ha letlalo le mahlo le ho qoba ho hema mouoane oa tsona. Haeba u kopana kapa u hema, hlatsoa hang-hang ka metsi a mangata 'me u batle thuso ea bongaka.


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