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sehlahisoa

(5H) -5-Methyl-6-7-dihydro-cyclopenta(b)pyrazine(CAS#23747-48-0)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C8H10N2
'Misa oa Molar 134.18
Botenya 1.055g/mLat 25°C(lit.)
Melting Point 121-123 °C
Boling Point 96-99°C20mm Hg(lit.)
Flash point 174°F
JECFA Nomoro 781
Ho qhibiliha ha Metsi e sa qhibidihang
Khatello ea Mouoane 0.291mmHg ho 25°C
Ponahalo metsi a hlakileng
Mmala Ha e na mmala ho ya ho mosehla o kganyang ho ya ho lamunu e kganyang
Monko o monate linate, monko o besitsoeng
pKa 1.85±0.40(E boletsoeng esale pele)
Boemo ba polokelo Boemo bo sa tsitsang, Mocheso oa Kamore
Refractive Index n20/D 1.527(lit.)
Sebelisa E sebelisoa e le senoko, ka monko o monate oa lijo

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xi - Ea halefisang
Likhoutu tsa Kotsi 36/37/38 - Ho halefisa mahlo, tsamaiso ea ho hema le letlalo.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
WGK Jeremane 3
TSCA Ee
Khoutu ea HS 29339900

 

Selelekela

5-Methyl-6,7-dihydro-5H-cyclopentapyrazine. Ke kristale e tšoeu e tiileng e tšoanang le kristale kapa phofo ka ponahalo. Ntho e tsitsitseng mocheso oa kamore, empa butle-butle e senyeha tlas'a ketso ea mocheso o phahameng, leseli kapa oksijene.

 

5-Methyl-6,7-dihydro-5H-cyclopentapyrazine e na le mefuta e mengata ea lisebelisoa. Ke sebolaya dikokonyana se sebetsang hantle se sebediswang temong ho laola kgolo le ho ikatisa ha disenyi.

 

Ho na le mekhoa e 'meli ea mantlha ea ho lokisa 5-methyl-6,7-dihydro-5H-cyclopentapyrazine. E 'ngoe e fumanoa ka karabelo ea condensation ea N-methylpyrazine, ebe karabelo ea hydrogenation e etsoa ho fumana sehlahisoa se lebisitsoeng. E 'ngoe e entsoe ke karabelo ea oxidation le phokotso ea 5-benzoyl-6,7-dihydro-5H-cyclopentapyrazine.

 

Boitsebiso ba Tšireletseho: 5-Methyl-6,7-dihydro-5H-cyclopentapyrazine ke ntho e chefo. E ka 'na ea e-ba le phello e halefisang tsamaisong ea' mele ea methapo le ea ho hema 'me e halefisa letlalo le mahlo. Mehato e nepahetseng ea ts'ireletso ea motho joalo ka ho roala mahlo a tšireletso, liatlana le lithebe tsa sefahleho lia hlokahala nakong ea ts'ebetso. Mokelikeli o lokela ho bolokoa ka har'a sets'oants'o se sa keneng moea, hole le ho khantša le li-oxidants. Ha u sebetsana le ntho, lerōle le li-aerosol li lokela ho qojoa, 'me ho hema le ho kopana le letlalo ho lokela ho qojoa. Haeba ho pepeseha ho etsahala, hlatsoa hang-hang ka metsi a mangata 'me u batle ngaka. Ha u sebetsana le ho sebelisa 5-methyl-6,7-dihydro-5H-cyclopentapyrazine, latela ka hloko mekhoa e nepahetseng ea tšireletso.


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  • E 'ngoe:

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