I-Diisopropyl ether/Isopropyl Ether
Ukuhlolisisa komkhiqizo
Ibizo lekhemikhali: Isopropyl Ether (eyaziwa nangokuthi yi-Diisopropyl Ether, DIPE)
Inomboro ye-CAS: 108-20-3
Ifomula yamamolekhyuli: C₆H₁₄O
Ubunzima bamamolekhyuli: 102.18 g/mol�
Ukubukeka: Uketshezi olungenambala, olukhanyayo olunephunga elifana ne-ether
Indawo yokubilisa: 68-69°C (154-156°F)
Indawo yokukhanya: -28°C (-18°F; indebe evaliweko)
I-Isopropyl Ether yi-ether compound evuthako, evuthako eyaziwa khulu ngezakhiwo zayo ezihle khulu zokuncibilikisa. Njenge-solvent ephakathi nendawo, ilinganisa ukuncibilika kokubili izinto eziphilako nezine-polar kancani, okwenza bona kube yinto eqakathekileko ekukhiqizeni amakhemikhali, ukukhipha, nokuhlanza amabubulo. Indawo yayo ephasi yokubila nokuguquguquka okulinganiselweko nakho kwenza bona kube lula ukubuyiselwa emuva eenkambisweni zokuvundisa, okusekela ukusetjenziswa kweendleko nokusimama.
Iimpahla eziqakathekileko neenzuzo
| Ipahla | Ukucaciswa | Inzuzo eqakathekileko |
| Ukuncibilika | Incibilika kancani emanzini (~1.2 g/L ku-20°C); ihlanganiswa ne-ethanol, i-acetone, i-benzene, kanye nezinye iinsombululo eziphilako | Ilungele ukuncibilikisa amafutha, ama-resin, ama-wax, kanye namakhompawundi we-organic; ekhambisana nama-co- solvents avamileko |
| Ukutjhuguluka | Umfutho womhwamuko: 16.9 kPa ku-20°C; izinga eliphasi lokubila (68 - 69°C) | Yenza ukuhwamuka okurhabako eenkambisweni zokugcoba/zokomisa; ukuhlukaniswa okulula ngokusebenzisa ukuvundiswa |
| Ukuzinza kwamakhemikhali | Izinzile ngaphasi kweemeko ezijayelekileko zokugcina; iyabola kancanikancani lokha nayithintana nama-esidi aqinileko nofana ama-peroxide | Ithembekile ekugcinweni kwesikhathi eside (lokha ivikelwe kuma-peroxide); ukuphendula okuncani ngezinto ezinengi |
| Ukuminyana (20°C) | 0.725 g/cm3 | Ukuminyana okuphasi kwehlisa iindleko zokuthutha; kulula ukuphatha eenkambisweni zokuhlanganisa amanzi |
| Izinga lokutjhisa lokuzivutha | 443°C (829°F) | Iphephile ukudlula iinsombululo ezivutha khulu (isib., i-diethyl ether) eendaweni ezilawulwako |
Iinsetjenziswa ezijayelekileko
I-isopropyl Ether's solvent ukuhlukahluka nokuguquguquka kwenza bona ibe yinto eqakathekileko emabubulweni amanengi:
3.1 Ukuhlanganiswa kwamakhemikhali nokukhipha
Ukubunjwa kwe-Organic: Kusebenza njengesisombululo sokusabela kwe-Grignard reactions, i-alkylations, kanye ne-esterifications. I-polarity yayo ephasi irhelebha ukulawula amazinga wokusabela begodu yenza ngcono ukukhiqizwa kwemikhiqizo yama-non-polar intermediates.
Ukukhipha nge-Liquid: Kusetjenziselwa ukuhlukanisa amakhompawundi we-organic ukusuka eensombululweni zamanzi (isib., ukukhipha imithi, imithi yokubulala iintwala, nofana amakhompawundi wefleyiva ukusuka emhluzi wokubilisa nofana ukukhipha iintjalo).
Ukukhiqizwa kwe-Peroxide: Kusebenza njengesisetjenziswa sokwenza i-diisopropyl peroxydicarbonate (IPP), isiqalisi esijayelekileko sokwakheka kwe-polymer (isib., i-polyvinyl chloride, i-PVC).
3.2 Ukuhlwengisa nokugcotshwa kwamabubulo
I-Agent yokususa amafutha: Isebenza kuhle ekususeni amafutha, amafutha, kanye ne-wax eencenyeni zensimbi (isib., iingcenye zeenkoloyi, imitjhini) ngebanga lokukghona kwayo ukubhadela ama-hydrocarbons.
Ukwakheka kokunamathela nokunamathela: Ihlanganisa ama-resin, ama-lacquer, nama-adhesive ukulungisa ukunamathelana, ukuqinisekisa ukusetjenziswa okubushelelezi nokuphola msinyana (okusetjenziswa ekugcotshweni kwamaplanka, ama-adhesive wamabubulo).
3.3 Ukusetjenziswa kwelabhorethri nokuhlaziya
I-Chromatography Solvent: Isetjenziswa njengesigaba esihambako ku-gas chromatography (GC) kanye ne-high-performance liquid chromatography (HPLC) ukuhlukanisa ama-organic analytes.
Isisombululo sokulungiselela isampula: Sincibilikisa amasampula aqinileko (isib., amafutha, ama-polymer) ukuhlaziywa kwamakhemikhali (isib., i-Fourier-transform infrared spectroscopy, FTIR).
3.4 Amafutha namandla
Isingezelelo sephethiloli: Sihlanganiswe nephethiloli ukwenza ngcono izinga le-octane nokwehlisa ukungqongqoza kwenjini; godu kuthuthukisa ukuzinza kwephethiloli ngesikhathi sokugcina.
Ukuphepha nokuthobela
4.1 Imihlahlandlela yokuPhepha
Ubungozi bokuvutha: Uketshezi oluvutha khulu kanye nomhwamuko; hlala kude namalangabi avulekileko, iinhlansi, kanye neendawo ezitjhisako (sebenzisa iinsetjenziswa ezingaqhumi eendaweni zokuphatha).
Ukwakheka kwe-peroxide: Kungenza ama-peroxide aqhumako lokha nayivezwa emoyeni, ekukhanyeni, nofana emtjhisweni ngokukhamba kwesikhathi. Hlola ama-peroxide (ngokusebenzisa iphepha le-starch-iodide) ngaphambi kokusebenzisa; lahla nangabe ama-peroxide atholakala.
Ukuphatha Iinsetjenziswa Zokuzivikela: Yembatha amagilavu we-nitrile, amagilasi wokufafaza amakhemikhali, kanye nesiphefumulo somhwamuko (i-N95 nofana ngaphezulu) eendaweni ezingangeni umoya omuhle. Balekela ukuthintana nesikhumba/amehlo (kungabangela ukucasuka) nokuhogela umhwamuko (kungabanga isiyezi nofana isicanucanu).
Ukugcina: Beka endaweni epholileko, emnyama, enomoya omuhle; sebenzisa iinsetjenziswa ezingangeni umoya, ingilazi ebomvu nofana i-HDPE. Faka isivimbeli se-peroxide (isib., i-hydroquinone) ukugcina isikhathi eside.
4.2 Ukuthobela imithetho
I-REACH (EU): Ibhaliswe ngaphasi kwe-REACH (Inombolo yokuTlolisa: 01-2119488787-46-xxxx); ukuthobela imikhawulo yokungcola kwe-peroxide.
OSHA (US): Umkhawulo wokuvezwa komsebenzi (OEL): 500 ppm (8-hour TWA); ihlukaniswe njenge-liquid evuthako (NFPA Class IB).
Ukuhlukaniswa kwe-GHS: GHS02 (I-Flamable Liquid), GHS07 (Irritant), GHS08 (Ingakha ama-peroxide aqhumako).
Amazinga we-ISO: Ihlangabezana ne-ISO 6353-2 (Iinqophiso zezinga le-Reagent) lokusetjenziswa elabhorethri.
Iphepha ledatha yezobuchwepheshe (TDS) amaphuzu aqakathekileko
| Ipharamitha | Igreyidi yamabubulo | Igreyidi ye-Reagent | Indlela yokuhlola |
| Ukuhlanzeka (umzuzu) | 99.0% | 99.5% | I-Gas Chromatography (GC) |
| Ukuqukethwe komswakama (ubukhulu) | 0.1% | 0.05% | U-Karl Fischer Titration |
| Okuqukethwe yi-peroxide (ubukhulu) | 5 ppm | 1 ppm | Iodometric Titration |
| I-esidi (njenge-CH₃COOH, ubukhulu) | 0.005% | 0.001% | I-Sodium Hydroxide Titration |
| Insalela engatjhugulukiko (ubukhulu) | 5 mg/kg | 1 mg/kg | Igravimethri |
Kubayini Sikhetha I-Isopropyl Ether Yethu (CAS 108-20-3)?
Ingozi ephasi ye-Peroxide: Umkhiqizo wethu uzinziswe ngama-inhibitor wezinga lokudla, ukwehlisa ukwakheka kwe-peroxide nokuqinisekisa ukusetjenziswa okuphephileko.
Ukuhlanzeka okungaguqukiko: Ukulawulwa kokuhlanzeka kweqoqo ukuya kweqoqo (≥99.0% yezinga lebubulo) kunciphisa ukungcola okuphazamisa iinkambo.
Ukupakisha okwenziwe ngokwezifiso: Kutholakala ngezigubhu eziyi-1L, 20L, 200L, nofana amathangi we-ISO malungana nama-oda amancani we-实验室 nofana amabubulo amanengi.
Isekelo lobuthekhnikhi: Isiqhema sethu sinikela isiqondiso sokuhlolwa kwe-peroxide, ukubulunga, nokusetjenziswa kuhle (isib., ukuhlanganiswa kwe-solvent ukukhipha).
Ukuthobela iphasi loke: Ihlangabezana namazinga weentjhabatjhaba (REACH, OSHA, ISO) ukusetjenziswa emakethe ye-EU, US, ne-Asia.
Sithinte
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