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sehlahisoa

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

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C6H8N2
'Misa oa Molar 108.14
Botenya 0.965(50.0000℃)
Melting Point 35-40°C(lebone)
Boling Point 154°C(lebone)
Flash point 127°F
JECFA Nomoro 767
Ho qhibiliha ha Metsi E qhibilihang ka metsing.
Solubility Chloroform, Methanol (Hanyenyane)
Khatello ea Mouoane 3.87mmHg ho 25°C
Ponahalo Ke kristale e 'mala o mosehla o tlase o qhibilihang
Mmala Bosehla bo bosehla
BRN 1726
pKa 2.49±0.10(E boletsoeng esale pele)
PH 7 (H2O, 20℃)
Boemo ba polokelo -20°C
Refractive Index 1.5000
MDL MFCD00006148
Thepa ea 'Mele le ea Lik'hemik'hale Likristale tse tšoeu ho isa ho tse mosehla tse nang le monko oa kofi le matokomane a halikiloeng. Sebaka se qhibilihang ke 48 °c mme ntlha e belang ke 155 °c. E qhibilihang ka metsing le ka har'a li-solvents.
Sebelisa Bakeng sa mefuta e fapaneng ea lijo, lihlahisoa tse entsoeng, tatso

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R10 – E ka cha
R22 – E kotsi ha e kwetswe
R37/38 – E tenang tsamaiso ya ho hema le letlalo.
R41 – Kotsi ya tshenyo e kgolo mahlong
R11 – E tuka Haholo
Tlhaloso ea Tšireletseho S16 - Ipoloke hole le mehloli ea mollo.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S39 - Apara ts'ireletso ea mahlo / sefahleho.
Li-ID tsa UN UN 1325 4.1/PG 2
WGK Jeremane 3
RTECS UQ2975000
TSCA Ee
Khoutu ea HS 29339990
Sehlopha sa Likotsi 4.1
Sehlopha sa ho paka III

 

Selelekela

2,6-Dimethylpyrazine ke motsoako oa lintho tse phelang.

 

Boleng:

- 2,6-Dimethylpyrazine ke phofo e tiileng e nang le 'mala o mosoeu kapa o mosehla o khanyang.

- E na le sollubility e ntle mme e ka qhibiliha ka har'a metsi le metsoako ea tlhaho.

- E tsitsitse moeeng, empa e ka bola ka mocheso o phahameng.

 

Sebelisa:

- 2,6-Dimethylpyrazine e sebelisoa haholo likarolong tse sa tšoaneng tsa lik'hemik'hale le tsa boenjiniere.

- E ka sebelisoa e le reagent ea lik'hemik'hale lipatlisisong tsa saense ho organic synthesis le analytical chemistry.

- E ka boela ea sebelisoa e le mohloli oa li-polymers.

 

Mokhoa:

- 2,6-Dimethylpyrazine e ka etsoa ka mekhoa e sa tšoaneng, e atisang ho lokisoa ka cyclization ea styrene le methyl methacrylate.

 

Lintlha tsa Tšireletseho:

- 2,6-Dimethylpyrazine ke motsoako o batlang o sireletsehile tlas'a maemo a tloaelehileng a tšebeliso.

- E halefisa letlalo, mahlo, le tsela ea ho hema 'me e lokela ho sireletsoa ka tsela e nepahetseng nakong ea tšebeliso, ho tšoara le ho boloka.

- Qoba ho kenngoa ka phoso, ho kopana le letlalo le ho hema lerōle nakong ea ts'ebetso.

- Haeba motho a kopana ka phoso kapa a hema, hang-hang hlatsoa sebaka se amehileng ka metsi a hloekileng 'me u batle ngaka hang-hang. Boemong ba tšohanyetso, batla thuso ea litsebi tsa bongaka.

 

Lintlha tse ka holimo ke tlhahisoleseding ea motheo feela, bakeng sa boitsebiso bo eketsehileng le tšebeliso e tobileng, ka kopo sheba lingoliloeng tsa lik'hemik'hale tse amehang kapa u buisane le setsebi.


  • E fetileng:
  • E 'ngoe:

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