2-Butanone |78-93-3
Lintlha tsa Sehlahisoa:
| Lebitso la Sehlahiswa | 2-Butanone |
| Thepa | Mokelikeli o se nang 'mala o nang le monko o kang oa acetone |
| Melting Point(°C) | -85.9 |
| Sebaka se belang(°C) | 79.6 |
| Tekano e amanang (Metsi=1) | 0.81 |
| Boima ba mouoane (moea=1) | 2.42 |
| Khatello ea mouoane (kPa) | 10.5 |
| Mocheso oa ho tuka (kJ/mol) | -2261.7 |
| Mocheso o matla (°C) | 262.5 |
| Khatello e mahlonoko (MPa) | 4.15 |
| Octanol/coefficient ea karohano ea metsi | 0.29 |
| Ntho e phatsimang (°C) | -9 |
| Thempereichara ea ho tima (°C) | 404 |
| Moeli oa ho phatloha ho holimo (%) | 11.5 |
| Moeli o tlase oa ho phatloha (%) | 1.8 |
| Solubility | E qhibiliha ka metsing, ethanol, ether, acetone, benzene, motsoako oa oli. |
Thepa ea Sehlahisoa:
1.Chemical Properties: Butanone e ts'oaroa habonolo ke maikutlo a fapaneng ka lebaka la sehlopha sa eona sa carbonyl le hydrogen e sebetsang e bapileng le sehlopha sa carbonyl.Condensation e etsahala ha e futhumatsoa ka hydrochloric acid kapa sodium hydroxide ho theha 3,4-dimethyl-3-hexen-2-one kapa 3-methyl-3-hepten-5-one.Ha o pepesehetse khanya ea letsatsi nako e telele, ho thehoa ethane, acetic acid le lihlahisoa tsa condensation.Ha oxidised le nitric acid, biacetyl e thehoa.Ha oxidised le chromic acid le li-oxidants tse ling tse matla, asiti ea acetic e hlahisoa.Butanone e batla e tsitsitse ho futhumatsa, ka holimo ho 500°Cho phatloha ho chesang ho hlahisa alkenone kapa methyl alkenone.Ha e koaheloa ka aldehyde ea aliphatic kapa e nkhang hamonate, e hlahisa li-ketone tse boima ba molek'hule, metsoako ea cyclic, li-ketone le li-resin, joalo-joalo Ka mohlala, ha e koaheloa ka formaldehyde ka pel'a sodium hydroxide, e hlahisa bi-acetyl.Mohlala, condensation e nang le formaldehyde boteng ba sodium hydroxide e qala ho hlahisa 2-methyl-1-butanol-3-one ebe e felloa ke metsi ho hlahisa methylisopropenyl ketone.Motsoako ona o fumana resination ha o pepesetsoa khanya ea letsatsi kapa mahlaseli a ultraviolet.Condensation le phenol e hlahisa 2,2-bis(4-hydroxyphenyl)butane.E sebetsa ka li-aliphatic ester ka boteng ba li-catalyst tsa mantlha ho theha β-diketones.Acylation ka anhydride ka boteng ba acidic catalyst ho theha β-diketone.Karabelo ka hydrogen cyanide ho theha cyanohydrin.E sebetsana le ammonia ho etsa tse nkiloeng ho ketopiperidine.Athomo ea α-hydrogen ea butanone e nkeloa sebaka habonolo ke li-halogen ho etsa li-ketone tse fapaneng tsa halogenated, mohlala, 3-chloro-2-butanone e nang le chlorine.Tšebelisano le 2,4-dinitrophenylhydrazine e hlahisa mosehla 2,4-dinitrophenylhydrazone (mp 115 ° C).
2.Botsitso: E tsitsitseng
3. Lintho tse thibetsoeng:Sli-oxidants tse matla,matla a ho fokotsa lintho, metheo
4. Kotsi ea polymerization:E seng leqolymerization
Tšebeliso ea Sehlahisoa:
1.Butanone e sebelisoa haholo-holo e le mokelikeli, o kang oa ho tlotsa oli, indasteri ea pente le mefuta e sa tšoaneng ea li-resin solvents, mokhoa oa ho ntša oli ea meroho le mokhoa oa ho hloekisa oa azeotropic distillation.
2.Butanone e boetse ke ho lokisoa ha meriana, lidae, li-detergents, linoko, li-antioxidants le li-catalysts tse ling ke li-intermediates, synthetic anti-desiccant agent methyl ethyl ketone oxime, polymerization catalyst methyl ethyl ketone peroxide, etching inhibitor methyl pentynol, joalo-joalo, indasteri ea elektronike e le photolithography ea lipotoloho tse kopantsoeng ka mor'a moqapi.
3.E sebelisoa e le sesepa, setlolo se hloekisang metsi, vulcanisation accelerator le li-intermediate tsa reaction.
4.E sebelisoa ho organic synthesis.E sebelisoa e le tlhahlobo ea chromatographic ntho e tloaelehileng le solvent.
5.E sebelisoa indastering ea elektronike, e atisang ho sebelisoa e le ho hloekisa le ho hloekisa.
6.Ho phaella tabeng ea ho sebelisoa haholo ho hloekisa oli, liphahlo, lisebelisoa, li-adhesives, dyes, meriana le lisebelisoa tsa elektronike tse hloekisang, joalo-joalo, e sebelisoa haholo-holo e le solvent bakeng sa nitrocellulose, vinyl resin, acrylic resin le li-resin tse ling tsa maiketsetso.Melemo ea eona ke ho qhibiliha ho matla le ho fokotseha ho tlase ho feta acetone.Ha ho ntšoa oli ea meroho, ho hloekisoa ha azeotropic distillation le ho lokisoa ha linoko, li-antioxidants le lits'ebetso tse ling.
7.E boetse ke thepa e tala bakeng sa organic synthesis 'me e ka sebelisoa e le solvent.Ka indasteri ea ho hloekisa oli bakeng sa ho tlotsa oli dewaxing agent, ha e ntse e sebelisoa meriana, pente, dae, li-detergents, linoko le lisebelisoa tsa elektroniki le liindasteri tse ling.Tharollo bakeng sa enke e metsi.E sebelisoa ka litlolo bakeng sa ho etsa polisi ea lipekere, e le mokelikeli o tlaase oa ho belisa, o ka fokotsa viscosity ea polisi ea lipekere, ho omisa ka potlako.
8.E sebelisoa e le solvent, dewaxing agent, e boetse e sebelisoa ho organic synthesis, le e le lisebelisoa tse tala bakeng sa linoko tsa maiketsetso le meriana.
Lintlha tsa polokelo ea Sehlahisoa:
1.E boloke sebakeng sa polokelo se pholileng, se nang le moea o pholileng.
2.Kena hole le mollo le mohloli oa mocheso.
3.Mocheso oa polokelo ha oa lokela ho feta37°C.
4. Boloka setshelo se tiisitsoe.
5.E lokela ho bolokoa ka thoko ho li-oxidising agents,li-agent tse fokotsang le alkalis,'me ha ea lokela ho tsoakana le ka mohla.
6.Sebelisa mabone a thibelang ho phatloha le lisebelisoa tsa moea.
7.Hanela tšebeliso ea lisebelisoa tsa mechine le lisebelisoa tse bonolo ho hlahisa litlhase.
8.Sebaka sa polokelo se lokela ho ba le lisebelisoa tsa phekolo ea tšohanyetso tse lutlang le lisebelisoa tse loketseng tsa bolulo.
