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sehlahisoa

Ethyl maltol(CAS#4940-11-8)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C7H8O3
'Misa oa Molar 140.14
Botenya 1.1624 (khakanyo e fosahetseng)
Melting Point 85-95 °C (hote.)
Boling Point 196.62°C (khakanyo e boima)
JECFA Nomoro 1481
Ho qhibiliha ha Metsi 9.345g/L ho 24℃
Solubility E qhibiliha ka metsing a chesang, ethanol le metsoako e meng ea tlhaho, e qhibilihang hanyenyane metsing.
Khatello ea Mouoane 0.2Pa ho 24 ℃
Ponahalo kristale ea nale e tšoeu kapa e mosehla kapa phofo ea crystalline
Mmala Bosoeu ho isa Bosehla bo Pehla
Merck 14,3824
pKa 8.38±0.10 (E boletsoeng esale pele)
Boemo ba polokelo 2-8°C
Refractive Index 1.4850 (khakanyo)
MDL MFCD00059795
Thepa ea 'Mele le ea Lik'hemik'hale Sebaka sa ho qhibiliha ke 85-95°C
Sebelisa E sebelisoa lijong, koae, litlolo le liindasteri tse ling, 'me e na le phello ea tatso, ho lokisa le ho natefisa.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi 22 - E kotsi haeba e koetsoe
Tlhaloso ea Tšireletseho 36 - Apara liaparo tse loketseng tsa tšireletso.
WGK Jeremane 3
RTECS UQ0840000
Khoutu ea HS 29329990
Chefo LD50 ka molomo ho litoeba tsa banna, likhoto tse tona, likhoto tse tšehali, litsuonyana (mg / kg): 780, 1150, 1200, 1270 (Gralla)

 

Selelekela

Ethyl maltol ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea ethyl maltol:

 

Boleng:

Ethyl maltol ke mokelikeli o mosehla o se nang 'mala ho isa ho o mosehla o nang le monko o khethehileng. E feto-fetoha mochesong oa kamore, e qhibiliha ka har'a lino tse tahang le lihlapolli tse mafura, 'me ha e qhibilihe ka metsing. Ethyl maltol e na le botsitso bo botle haholo 'me e khona ho lula e tsitsitse nako e telele tlas'a tšusumetso ea oksijene le khanya ea letsatsi.

 

Sebelisa:

 

Mokhoa:

Ho na le mekhoa e mengata ea ho lokisa ethyl maltol, 'me mokhoa o tloaelehileng o sebelisoang ke ho esterify maltol ka ethanol ka pel'a mokelikeli oa ho fumana ethyl maltol. Tlhokomelo e lokela ho lefshoa ho laola maemo a karabelo le khetho ea catalyst nakong ea ts'ebetso ea ho lokisetsa ho netefatsa bohloeki ba sehlahisoa le phello ea karabelo.

 

Lintlha tsa Tšireletseho:

Qoba ho kopana le mahlo le letlalo nakong ea ts'ebeliso, 'me u hlatsoe hang-hang ka metsi a mangata haeba u kopane.

Qoba ho hema ka nako e telele le ho kenngoa ho thibela ho teneha ho tsamaiso ea ho hema le ea tšilo ea lijo.

Ha u boloka, qoba ho kopana le li-oxidants tse matla 'me u li boloke sebakeng se phodileng, se omileng, se nang le moea o motle.

Haeba motho a ka ja ka phoso kapa a sa phutholoha, batla thuso ea bongaka 'me u tsebise ngaka ea hau ka lik'hemik'hale tse sebelisitsoeng.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona