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

Ipropati yeMichiza:

Ifomula yeemolekyuli I-C5H6N2S
IMisa yeMolar 126.18
Ukuxinana 1.187±0.06 g/cm3(Kuxelwe kwangaphambili)
Indawo yeBoling 224.8±25.0 °C(Kuqikelelwe)
Indawo yokuflasha 89.8°C
Inombolo yeJECFA 794
Uxinzelelo loMphunga 0.134mmHg ku-25°C
pKa 8.73±0.25(Kuxelwe kwangaphambili)
Refractive Index 1.577
IiPropati zoMzimba kunye nezeMichiza FEMA: 3299

Iinkcukacha zeMveliso

Iithegi zeMveliso

Ubutyhefu GRAS(FEMA).

 

Intshayelelo

I-2-mercaptomethylpyrazine, eyaziwa ngokuba yi-2-mercaptopyrazine methane okanye i-methazole, i-organic compound. Oku kulandelayo kukwazisa kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-2-mercaptomethylpyrazine:

 

Umgangatho:

I-2-mercaptomethylpyrazine yikristale engenambala ukuya kumthubi kunye nevumba elikhethekileyo le-thiol. Inonyibiliko oluhle kwiqondo lobushushu begumbi kwaye iyanyibilika emanzini, iialkoholi kunye nezinyibilikisi zeketone.

 

Sebenzisa:

I-2-mercaptomethylpyrazine inezicelo ezahlukeneyo. Ihlala isetyenziswa njenge-arhente yokunciphisa kwi-organic synthesis kwaye iyakwazi ukunciphisa iikhompawundi ezifana ne-ketones, i-aldehydes, i-acids kunye ne-alkyl halides. Ikwasetyenziswa kwi-synthesis ye-ion complexes yesinyithi, i-catalysts ye-organic synthesis, kunye ne-intermediate ye-fungicides ethile kunye ne-pesticides.

 

Indlela:

Indlela ephambili yokulungiselela i-2-mercaptomethylpyrazine iveliswa yi-reaction ye-2-bromomethylpyrazine kunye ne-sodium sulfide (okanye i-ammonium sulfide). Amanyathelo athile ngala alandelayo:

I-2-Bromomethylpyrazine iphendulwa nge-sodium sulfide (okanye i-ammonium sulfide) ukuvelisa i-2-mercaptopyrazine methane kunye nezinye iimveliso.

Umxube wokusabela uhlanjululwe kwaye uhlanjululwe ukuze ufumane i-2-mercaptomethylpyrazine.

 

Ulwazi ngoKhuseleko:

I-2-Mercaptomethylpyrazine i-organic compound kwaye kufuneka isetyenziswe ngokukhuselekileyo. Isenokuba nefuthe elicaphukisayo emehlweni, eluswini nakwindlela yokuphefumla. Nxiba iiglavu zokukhusela kunye nezibuko xa usebenzisa, kwaye uqinisekise indawo yokusebenza enomoya kakuhle. Xa uphethe imichiza, landela iindlela ezifanelekileyo zaselabhoratri zokuthintela ukuvela kwesikhumba namehlo kwaye uphephe ukuphefumla umphunga wazo. Kwimeko yokunxibelelana okanye ukuphefumla, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune uncedo lwezonyango.


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