1. E tsitsitse tlas'a mocheso o tloaelehileng le khatello.Lisebelisoa tse sa lumellaneng: li-acids, alkalis, li-reduction agents, li-oxidizing agents.Ke sehlopha sa chefo e tlase.Qoba ho hema mouoane le ho kopana le letlalo.
Lintho tsa lik'hemik'hale: E pherese ha e kopana le ferric chloride.Ha hydrolyzed ka asiti e hlapollang kapa alkali e hlapollang, acetone, ethanol le carbon dioxide lia hlahisoa.Tlas'a ketso ea setsi se matla, limolek'hule tse peli tsa acetic acid le ethanol li hlahisoa.Ha phokotso ea catalytic, β-hydroxybutyric acid e thehoa.Ho ethyl acetoacetate e sa tsoa hlakoloa, foromo ea enol e etsa karolo ea 7% 'me ea ketone e etsa karolo ea 93%.Ha tharollo ea ethanol ea ethyl acetoacetate e ne e pholile ho -78 ° C, motsoako oa ketone o ile oa kenngoa sebakeng sa kristale.Haeba motsoako oa sodium oa ethyl acetoacetate o fanyehiloe ho dimethyl ether 'me tekanyo e fokolang e fokolang ea khase ea hydrogen chloride e omileng e fetisetsoa ho -78 ° C, motsoako o mafura oa enol o ka fumanoa.
2. Sehlahisoa sena ha se na chefo e fokolang, molomo oa rat LD503.98g/kg.Empa ka ho halefa ka mokhoa o itekanetseng le anesthesia, thepa ea tlhahiso e lokela ho koaloa le ho kenngoa hantle.Basebelisi ba na le lisebelisoa tse sireletsang.
