Ether ea Diisopropyl/Ether ea Isopropyl
Kakaretso ea Sehlahisoa
Lebitso la Khemikhale: Isopropyl Ether (e tsejoang hape e le Diisopropyl Ether, DIPE)
Nomoro ea CAS: 108-20-3
Foromo ea limolek'hule: C₆H₁₄O
Boima ba limolek'hule: 102.18 g/mol
Ponahalo: Mokelikeli o hlakileng, o se nang 'mala o nang le monko o ikhethang o kang oa ether
Sebaka sa ho Belisa: 68-69°C (154-156°F)
Sebaka sa ho Foka: -28°C (-18°F; kopi e koetsoeng)
Isopropyl Ether ke motsoako oa ether o feto-fetohang, o tukang o tsebahalang haholo ka thepa ea oona e ntle ea ho qhibilihisa. Jwalo ka mellwane ea mid-polarity, e leka-lekanya ho qhibiliha ha lintho tsa tlhaho le tsa polar hanyane, e leng se etsang hore e be thepa ea bohlokoa tlhahisong ea lik'hemik'hale, ho ntšoa ha eona le ho hloekisoa ha eona indastering. Sebaka sa eona se tlaase sa ho belisa le ho feto-fetoha ha eona ho itekanetseng le tsona li nolofalletsa ho hlaphoheloa habonolo lits'ebetsong tsa ho qhibilihisa, ho tšehetsa ts'ebeliso e ntle ea litšenyehelo le botsitso.
Matlotlo a Bohlokoa le Melemo
| Thepa | Tlhaloso | Melemo ea Bohlokoa |
| Ho qhibiliha ha metsi | E qhibiliha hanyane metsing (~1.2 g/L ho 20°C); e ka kopanngoa le ethanol, acetone, benzene le boholo ba dihlahiswa tse qhibilihisang tsa tlhaho | E sebetsa ka bongata bakeng sa ho qhibilihisa oli, li-resin, boka le metsoako ea lintho tse phelang; e lumellana le metsoako e tloaelehileng ea co-solvents |
| Ho feto-fetoha ha maemo | Khatello ea mouoane: 16.9 kPa ho 20°C; ntlha e tlaase ea ho belisa (68 - 69°C) | E nolofalletsa ho fetoha ha mouoane ka potlako lits'ebetsong tsa ho roala/ho omisa; ho aroloa habonolo ka ho qhibilihisa |
| Botsitso ba Lik'hemik'hale | E tsitsitse tlas'a maemo a tloaelehileng a polokelo; e bola butle ha e kopana le li-acid tse matla kapa li-peroxide | E ka tšeptjoa bakeng sa polokelo ea nako e telele (ha e sirelelitsoe khahlanong le peroxides); e na le ts'ebetso e fokolang haholo ka boholo ba substrates |
| Botenya (20°C) | 0.725 g/cm³ | Bongata bo tlase bo fokotsa litšenyehelo tsa lipalangoang; ho bonolo ho sebetsana le tsona lits'ebetsong tsa ho kopanya metsi |
| Mocheso oa ho Iketsa | 443°C (829°F) | E bolokehile ho feta di-solvent tse tukang haholo (mohlala, diethyl ether) dibakeng tse laolwang |
Lisebelisoa tse tloaelehileng
Ho tenyetseha le ho feto-fetoha ha tharollo ea Isopropyl Ether ho etsa hore e be ea bohlokoa haholo liindastering tse ngata:
3.1 Ho Kopanya le ho Ntša Lik'hemik'hale
Ho kopanya lintho tse phelang: E sebetsa e le tharollo ea karabelo bakeng sa liketso tsa Grignard, alkylations le esterifications. Polarity ea eona e tlase e thusa ho laola sekhahla sa karabelo le ho ntlafatsa chai ea lihlahisoa bakeng sa li-intermediate tse seng tsa polar.
Ho Ntša Metsi le Metsi: Ho sebediswa ho arola metsoako ya tlhaho ho tswa ho ditharollo tsa metsi (mohlala, ho ntsha meriana, dibolayadikokwanyana, kapa metsoako ya tatso ho tswa ho di-fermentation broth kapa di-extract tsa dimela).
Tlhahiso ea Peroxide: E sebetsa e le thepa e tala bakeng sa tlhahiso ea diisopropyl peroxydicarbonate (IPP), e leng sesebelisoa se tloaelehileng sa ho qapa polymer (mohlala, polyvinyl chloride, PVC).
3.2 Ho Hloekisa le ho Koahela Liindasteri
Moemeli oa ho tlosa mafura: O sebetsa hantle bakeng sa ho tlosa oli, mafura le boka likarolong tsa tšepe (mohlala, likarolo tsa likoloi, mechini) ka lebaka la ho qhibilihisa ha eona lik'habohaedreite.
Mekhoa ea ho Koahela le ho Khomarela: E fokotsa li-resin, li-lacquers le likhomaretsi ho lokisa viscosity, ho netefatsa hore e sebelisoa hantle le ho fola kapele (e sebelisoang ho likhomaretsi tsa lehong, likhomaretsi tsa indasteri).
3.3 Tšebeliso ea laboratori le ea tlhahlobo
Chromatography Solvent: E sebediswa e le karolo ya mohato o tsamayang ho chromatography ya kgase (GC) le chromatography ya metsi e sebetsang hantle (HPLC) bakeng sa ho arola di-analyte tsa tlhaho.
Seqhibilihisi bakeng sa ho Lokisetsa Sampole: E qhala disampole tse tiileng (mohlala, mafura, di-polymer) bakeng sa tlhahlobo ya dikhemikhale (mohlala, Fourier-transform infrared spectroscopy, FTIR).
3.4 Mafura le Matla
Setlatsetso sa Mafura: Se kopantsoe le peterole ho ntlafatsa tekanyo ea octane le ho fokotsa ho thula ha enjene; hape se ntlafatsa botsitso ba mafura nakong ea polokelo.
Polokeho le ho Latela Melao
4.1 Tataiso ea Polokeho
Kotsi ea ho Chesa: Mokelikeli le mouoane tse ka chang haholo; boloka hole le malakabe a bulehileng, litlhase le libaka tse chesang (sebelisa lisebelisoa tse sa phatloheng libakeng tsa ho sebetsana le tsona).
Sebopeho sa Peroxide: E ka etsa li-peroxide tse phatlohang ha e pepesetsoa moeeng, khanyeng, kapa mochesong ha nako e ntse e ea. Leka li-peroxide (u sebelisa pampiri ea starch-iodide) pele u sebelisa; lahla haeba li-peroxide li fumanoa.
Lisebelisoa tsa ho Sebetsana le ho Sebetsana le Lintho tse Sireletsang: Apara liatlana tsa nitrile, likhalase tsa lik'hemik'hale tse phatsimang, le sesebelisoa sa ho hema ka mouoane (N95 kapa ho feta) libakeng tse sa keneng moea hantle. Qoba ho kopana le letlalo/mahlo (ho ka baka ho teneha) le ho hema mouoane (ho ka baka ho tsekela kapa ho nyekeloa ke pelo).
Polokelo: Boloka sebakeng se pholileng, se lefifi, se nang le moea o kenang hantle; sebelisa khalase ea amber kapa lijana tsa HDPE tse sa keneng moea. Kenya sethibela-peroxide (mohlala, hydroquinone) bakeng sa polokelo ea nako e telele.
4.2 Ho Latela Melao
REACH (EU): E ngolisitsoe tlas'a REACH (Nomoro ea Ngoliso: 01-2119488787-46-xxxx); e latela lithibelo tsa litšila tsa peroxide.
OSHA (US): Moeli oa ho pepesehela mosebetsing (OEL): 500 ppm (TWA ea lihora tse 8); e arotsoe e le mokelikeli o tukang (NFPA Class IB).
Sehlopha sa GHS: GHS02 (Metsi a ka Chesang), GHS07 (E halefisang), GHS08 (E ka 'na ea etsa li-peroxide tse phatlohang).
Maemo a ISO: E fihlela ISO 6353-2 (Litlhaloso tsa sehlopha sa Reagent) bakeng sa ts'ebeliso ea laboratori.
Lintlha-khōlō tsa Leqephe la Boitsebiso la Tekheniki (TDS)
| Paramethara | Kereiti ea Liindasteri | Kereiti ea Reagent | Mokhoa oa Teko |
| Bohloeki (metsotso) | 99.0% | 99.5% | Kromatography ea Khase (GC) |
| Mongobo (boholo) | 0.1% | 0.05% | Karl Fischer Titration |
| Bongata ba Peroxide (boholo) | 5 ppm | 1 ppm | Tekanyo ea Iodometric |
| Asiti (joalo ka CH₃COOH, max) | 0.005% | 0.001% | Titration ea Sodium Hydroxide |
| Masalla a sa Fetoheng (max) | 5 mg/kg | 1 mg/kg | Gravimetry |
Hobaneng o Lokela ho Khetha Isopropyl Ether ea Rona (CAS 108-20-3)?
Kotsi e Tlase ea Peroxide: Sehlahisoa sa rona se tsitsisitsoe ka li-inhibitor tsa sehlopha sa lijo, se fokotsa ho thehoa ha peroxide le ho netefatsa tšebeliso e sireletsehileng.
Bohloeki bo Tsitsitseng: Taolo ea bohloeki ba sehlopha ho ea ho sehlopha (≥99.0% bakeng sa sehlopha sa indasteri) e fokotsa litšila tse sitisang lits'ebetso.
Sephutheloana se Ikhethileng: Se fumaneha ka meropa ea 1L, 20L, 200L, kapa litanka tsa ISO bakeng sa liodara tse nyane tsa indasteri ea 实验室 kapa tse kholo.
Tšehetso ea Tekheniki: Sehlopha sa rona se fana ka tataiso mabapi le tlhahlobo ea peroxide, polokelo le ntlafatso ea ts'ebeliso (mohlala, ho kopanya tharollo bakeng sa ho ntša).
Ho Latela Melao ea Lefatše: Ho fihlela maemo a machaba (REACH, OSHA, ISO) bakeng sa tšebeliso limmarakeng tsa EU, US le Asia.
Iteanye le rona
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