4-Methylpropiophenone (CAS# 5337-93-9)
| Tlhaloso ea Tšireletseho | 24/25 - Qoba ho kopana le letlalo le mahlo. |
| WGK Jeremane | 3 |
| Khoutu ea HS | 29143990 |
Selelekela
4-Methylphenylacetone, eo hape e tsejoang e le 4-methylphenylacetone, ke motsoako oa lintho tse phelang.
Mona ke lintlha tse ling tsa bohlokoa mabapi le 4-methylpropionone:
1. Ponahalo: mokelikeli o se nang 'mala kapa kristale e tšoeu.
2. Boima ba 'mele: 0.993g/mLat 25°C(lit.)
5. Ho qhibiliha: Ho qhibiliha ka har'a metsoako ea lintho tse hlapollang tse kang ethanol, ether le benzene.
6. Botsitso ba polokelo: E lokela ho bolokoa hole le malakabe a bulehileng le li-oxidants, 'me e bolokoe sebakeng se omileng, se pholileng le se nang le moea.
4-Methylpropiophenone e na le ts'ebeliso e itseng libakeng tse ling, ho kenyelletsa:
2. Tšebeliso ea lipatlisiso: Ka motsoako oa lintho tse phelang, e ka sebelisoa e le selelekela sa li-ketone kapa lino tse tahang bakeng sa motsoako oa metsoako e meng ea tlhaho.
Mekhoa e tloaelehileng ea ho lokisa 4-methylpropiophenone e kenyelletsa:
1. Karabo ea Marthet: Styrene le carbon dioxide li itšoara ka mokhoa o tsoelang pele oa ho hlakola mochine ho fumana 4-methylacetophenone, ebe 4-methylacetophenone e lokiselitsoe ka oxidation le ho fokotsa.
2. Vilsmeier-Haack reaction: Phenylethanol e sebetsanoa le nitric acid le phosphine tlas'a maemo a karabelo ea alkylation ea alkylloids ho fumana 4-methylphenylacetone.
1. Qoba ho kopana le letlalo, mahlo le lera la mucous.
3. Qoba ho hema mouoane kapa moholi, 'me u apare liatlana tse sireletsang tse loketseng, likhalase le liaparo tse itšireletsang ha u sebelisa.
5. Ha u boloka le ho tšoara, qoba ho kopana le lintho tse tukang 'me u boloke ka har'a setsi se sa keneleng moea, hole le mehloli ea mocheso le malakabe a bulehileng.
