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Methylcyclopentenolone(3-methyl-2-hydroxy-2-cyclopenten-1-one) (CAS#80-71-7)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C6H8O2
'Misa oa Molar 112.13
Botenya 1.0795 (khakanyo e fosahetseng)
Melting Point 104-108°C
Boling Point 170.05°C (khakanyo e boima)
Flash point 100°C
JECFA Nomoro 418
Solubility Chloroform (Hanyenyane), Methanol (Hanyenyane)
Khatello ea Mouoane 2.1hPa ho 20 ℃
Ponahalo Khalase e tšoeu
Mmala Phofo e tšoeu ea kristale kapa likristale tse ntle
pKa 9.21±0.20(E boletsoeng esale pele)
Boemo ba polokelo Boloka ho +2°C ho ea ho +8°C.
Refractive Index 1.4532 (khakanyo)
MDL MFCD00013747
Thepa ea 'Mele le ea Lik'hemik'hale Phofo e tšoeu ea kristale. E na le monko oa 'mapole le joang bo le bong. Ka tharollo e hlapolotsoeng, ho ile ha fumanoa tatso ea tsoekere-licorice. Sebaka sa ho qhibiliha e ne e le 105-107 °c. E qhibiliha ka har'a ethanol, acetone le propylene glycol, e qhibilihang ka har'a oli e ngata e sa fetoheng, lg e qhibiliha ka metsing a 72ml, e qhibiliha ka metsing a belang. Lihlahisoa tsa tlhaho li teng ka huluba.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xi - Ea halefisang
Likhoutu tsa Kotsi R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R43 – E ka baka maikutlo a matla ka ho ama 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 - Apara liaparo tse loketseng tsa tšireletso le liatlana.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S22 - U se ke ua hema lerole.
WGK Jeremane 3
RTECS GY7298000
Khoutu ea HS 29144090

 

Selelekela

Methylcyclopentenolone. Se latelang ke selelekela sa thepa ea eona, tšebeliso, mekhoa ea tlhahiso le tlhaiso-leseling ea polokeho:

 

Boleng:

- Ponahalo: Mokelikeli o se nang mebala

- Monko: Monko o monate oa litholoana

- Ho qhibiliha: Ho qhibiliha ka metsing, joala le lihlapolli tsa ether

 

Sebelisa:

 

Mokhoa:

- Methylcyclopentenolone e ka lokisoa ke karabelo ea catalytic dehydration ea joala. Li-catalyst tse sebelisoang hangata ke zinki chloride, alumina le silicon oxide.

 

Lintlha tsa Tšireletseho:

- Methylcyclopentenolone ke lik'hemik'hale tse nang le chefo e tlaase.

- Tatso ea eona e nyenyane e ka 'na ea etsa hore batho ba bang ba se ke ba phutholoha,' me ho ka 'na ha e-ba le ho ferekana kapa ho teneha ho ka baka kotsi mahlong le letlalong.

- Qoba ho shebana le mahlo le letlalo 'me u sebelise mehato ea ho itšireletsa joalo ka liatlana le likhalase.

- Haeba motho a hema kapa a ka nooa, batla thuso ea bongaka hang-hang.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona