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I-2-6-dimethyl-pyrazine (CAS#108-50-9)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H8N2
IMisa yeMolar 108.14
Ukuxinana 0.965(50.0000℃)
Indawo yokunyibilika 35-40°C(lit.)
Indawo yeBoling 154°C(lit.)
Indawo yokuflasha 127°F
Inombolo yeJECFA 767
Ukunyibilika kwamanzi Inyibilika emanzini.
Ukunyibilika I-Chloroform, iMethanol (Kancinci)
Uxinzelelo loMphunga 3.87mmHg ku-25°C
Imbonakalo Ikristale ekhanyayo etyheli esezantsi yokunyibilika
Umbala Mthubi oqaqambileyo
I-BRN 1726
pKa 2.49±0.10(Kuqikelelwe)
PH 7 (H2O, 20℃)
Imeko yoGcino -20°C
Refractive Index 1.5000
MDL MFCD00006148
IiPropati zoMzimba kunye nezeMichiza Iikristale zebhloko ezimhlophe ukuya kumthubi ezinevumba lekofu kunye namandongomane aqhotsiweyo. Indawo yokunyibilika yi-48 °c kwaye iqondo lokubila yi-155 °c. Inyibilika emanzini nakwizinyibilikisi eziphilayo.
Sebenzisa Kwiintlobo ngeentlobo zokutya, iimveliso ezicutshungulwayo, incasa

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R22 – Iyingozi xa iginyiwe
I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu.
I-R41 – Umngcipheko womonakalo omkhulu emehlweni
I-R11 – Iyatsha kakhulu
Inkcazelo yoKhuseleko S16 – Gcina kude kwimithombo yomlilo.
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S39 –Nxiba ukhuseleko lwamehlo / ubuso.
Izazisi ze-UN UN 1325 4.1/PG 2
WGK eJamani 3
RTECS UQ2975000
I-TSCA Ewe
Ikhowudi ye-HS 29339990
IKlasi yeeNgozi 4.1
Iqela lokuPakisha III

 

Intshayelelo

I-2,6-i-Dimethylpyrazine i-organic compound.

 

Umgangatho:

- 2,6-Dimethylpyrazine ngumgubo oqinileyo omhlophe okanye okhanyayo ophuzi ngombala.

- Ine-solubility efanelekileyo kwaye inokunyibilika emanzini kunye nezinyibilikisi eziphilayo.

- Izinzile emoyeni, kodwa inokubola kumaqondo obushushu aphezulu.

 

Sebenzisa:

- 2,6-Dimethylpyrazine isetyenziswa ngokubanzi kwiinkalo ezahlukeneyo zeekhemikhali kunye nobunjineli.

- Ingasetyenziswa njenge-reagent yeekhemikhali kuphando lwezenzululwazi kwi-organic synthesis kunye ne-analytical chemistry.

- Isenokusetyenziswa njenge-catalyst yeepolymers.

 

Indlela:

- I-2,6-i-Dimethylpyrazine inokwenziwa ngeendlela ezahlukeneyo, eyona nto idla ngokulungiswa nge-cyclization ye-styrene kunye ne-methyl methacrylate.

 

Ulwazi ngoKhuseleko:

- I-2,6-Dimethylpyrazine yinto ekhuselekileyo phantsi kweemeko eziqhelekileyo zokusetyenziswa.

- Kuyacaphukisa ulusu, amehlo, kunye nendlela yokuphefumula kwaye kufuneka ikhuselwe ngokufanelekileyo ngexesha lokusetyenziswa, ukuphatha kunye nokugcinwa.

- Gwema ukungenwa ngengozi, ukudibana nesikhumba kunye nokuphefumla uthuli ngexesha lokusebenza.

- Kwimeko yokudibanisa ngengozi okanye ukuphefumla, ngokukhawuleza uhlambulule indawo echaphazelekayo ngamanzi acocekileyo kwaye ufune unyango ngokukhawuleza. Kwimeko yongxamiseko, funa uncedo lwezonyango oluchwepheshile.

 

Oku ngasentla kulwazi olusisiseko kuphela, ngolwazi oluthe kratya kunye nokusetyenziswa okuthe ngqo, nceda ubhekisele kwiincwadi zeekhemikhali ezifanelekileyo okanye uqhagamshelane neengcali.


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