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sehlahisoa

4-Methylacetophenone (CAS# 122-00-9)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C9H10O
'Misa oa Molar 134.18
Botenya 1.004 g/mL ho 20 °C1.005 g/mL ho 25 °C (hote.)
Melting Point 22-24 °C (hote.)
Boling Point 226 °C (hote.)
Flash point 198°F
JECFA Nomoro 807
Ho qhibiliha ha Metsi 0.37 g/L (15 ºC)
Solubility 2.07g/l
Khatello ea Mouoane 0.52 hPa (25 °C)
Ponahalo Mokelikeli
Mmala Ha e na 'mala ho isa mosehla o mosehla
BRN 606053
Boemo ba polokelo Boloka ka tlase ho +30°C.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Methylacetophenone ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa sebopeho sa eona, ts'ebeliso, tokiso le tlhaiso-leseling ea polokeho:

Boleng:
Methylacetophenone ke mokelikeli o se nang 'mala o monko o monate. Ha e qhibilihe ka metsing empa e ka qhibiliha ka har'a metsoako ea tlhaho e kang ethanol le metsoako ea ether.

Sebelisa:
Methylacetophenone e atisa ho sebelisoa e le setsi sa bohlokoa ho motsoako oa manyolo. E ka boela ea sebelisoa e le tlatsetso ea lihlapolli, lidae le litlolo tse nkhang hamonate.

Mokhoa:
Mokhoa oa ho itokisa oa methylacetophenone o finyelloa haholo ke karabelo ea ketation. Mokhoa o tloaelehileng oa ho kopanya ke ho arabela acetophenone ka reagent ea methylation e kang methyl iodide kapa methyl bromide tlas'a maemo a alkaline. Ka mor'a karabelo, sehlahisoa se lebisitsoeng se ka fumanoa ka mokhoa oa distillation.

Lintlha tsa Tšireletseho:
- Methylacetophenone ha e fetohe 'me e lokela ho sebelisoa ka moea o motle.
- Qoba ho kopana le li-oxidizing tse matla kapa li-acid tse matla ho thibela liketso tse kotsi.
- Methoacetophenone e ea tena 'me e lokela ho qojoa hore e se ke ea kopana le letlalo le mahlo, 'me ho lokela ho apesoa lisebelisoa tse nepahetseng tsa ts'ireletso tse kang liatlana le likhalase.
- Haeba motho a ka hema kapa a mo kenya, batla thuso ea bongaka kapele kamoo ho ka khonehang.
- Ha u boloka le ho tšoara methylacetophenone, latela melaoana ea lehae 'me u nke mehato e nepahetseng ea ho itšireletsa.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona