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imveliso

2-Methyl pyrazine (CAS#109-08-0)

Ipropati yeMichiza:

Ifomula yeemolekyuli I-C5H6N2
IMisa yeMolar 94.11
Ukuxinana 1.03 g/mL ku-25 °C (lit.)
Indawo yokunyibilika -29 °C (izibane.)
Indawo yeBoling 135 °C/761 mmHg (lit.)
Indawo yokuflasha 122°F
Inombolo yeJECFA 761
Ukunyibilika kwamanzi Ixutywe ngokupheleleyo emanzini.
Uxinzelelo loMphunga 9.69mmHg ku-25°C
Imbonakalo Ulwelo
Umbala Icacile engenambala ukuya kumthubi kancinane
I-BRN 105778
pKa 1.45(nge-27℃)
Imeko yoGcino 2-8°C
Refractive Index n20/D 1.504(lit.)
IiPropati zoMzimba kunye nezeMichiza Uxinaniso 1.03
indawo yokunyibilika -29°C
indawo ebilayo 135°C (761 torr)
refractive index 1.5042
indawo edanyazayo ngama-50°C
Sebenzisa Isetyenziswa kwidayi kunye nakwishishini lamayeza, kodwa nanjengokongezwa kwencasa yokutya

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R22 – Iyingozi xa iginyiwe
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
S16 – Gcina kude kwimithombo yomlilo.
Izazisi ze-UN UN 1993 3/PG 3
WGK eJamani 3
RTECS UQ3675000
I-TSCA Ewe
Ikhowudi ye-HS 29339990
IKlasi yeeNgozi 3
Iqela lokuPakisha III

 

Intshayelelo

I-2-methylpyridine i-organic compound. Lulwelo olungenambala ukuya kumthubi oluluthuthu olunevumba elifana ne-pyridine.

 

I-2-Methylpyrazine isetyenziswa ngokuqhelekileyo kwi-organic synthesis njenge-reagent, i-solvent kunye ne-intermediate. Ingasetyenziselwa njenge-ligand ye-catalysts ye-metal-catalyzed reactions.

 

Kukho iindlela ezahlukeneyo zokulungiselela i-2-methylpyrazine, enye yezona zinto zisetyenziswa ngokuqhelekileyo kukusabela kwe-2-aminopyrazine kunye ne-methylation reagents ezifana ne-methyl iodide. Iindlela ezikhethekileyo zokudibanisa kwakhona ziquka i-cyanide hydrogenation kunye ne-halogenation ye-halogenation.

Xa usebenza, kufuneka kuthathwe amanyathelo afanelekileyo okungenisa umoya ukuze ugweme ukuphefumla iigesi okanye ukudibana nolusu kunye namehlo. Kuphephe ukudibana nee-oxidants ezinamandla kunye neeasidi ukuthintela ukusabela okuyingozi. Kwimeko yokudibana okanye ukuphefumla ngempazamo, funa unyango ngokukhawuleza.


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