I-Diisopropyl ether/Isopropyl Ether
Isishwankathelo seMveliso
Igama leKhemikhali: I-Isopropyl Ether (ekwaziwa ngokuba yi-Diisopropyl Ether, i-DIPE)
Inombolo ye-CAS: 108-20-3
Ifomula yeMolekyuli: C₆H₁₄O
Ubunzima beMolekyuli: 102.18 g/mol
Inkangeleko: Ulwelo olungenambala, olucacileyo olunevumba elifana ne-ether
Indawo yokubilisa: 68-69°C (154-156°F)
I-Flash Point: -28°C (-18°F; ikomityi evaliweyo)
I-Isopropyl Ether yi-ether eguquguqukayo, enokutsha eyaziwa kakhulu ngeempawu zayo ezibalaseleyo zokunyibilikisa. Njenge-mid-polarity solvent, ilinganisela ukunyibilika kwezinto eziphilayo kunye nezincinci, nto leyo eyenza ukuba ibe yinto ephambili ekuhlanganiseni iikhemikhali, ekukhupheni, nasekucoceni kwimizi-mveliso. Indawo yayo yokubila ephantsi kunye nokuguquguqukayo okuphakathi kwenza kube lula ukubuyiselwa kwiinkqubo zokunyibilikisa, ixhasa ukusebenza kakuhle kweendleko kunye nokuzinza.
Iipropati eziphambili kunye neenzuzo
| Ipropati | Inkcazo | Inzuzo engundoqo |
| Ukunyibilika | Iyanyibilika kancinci emanzini (~1.2 g/L kuma-20°C); ingaxutywa ne-ethanol, i-acetone, i-benzene, kunye nezinye izinyibilikisi zendalo ezininzi | Isebenza ngeendlela ezahlukeneyo ekunyibilikiseni iioyile, iiresini, iiwaxes, kunye neekhompawundi ze-organic; iyahambelana nezinyibilikisi eziqhelekileyo |
| Ukuguquguquka | Uxinzelelo lomphunga: 16.9 kPa kwi-20°C; iqondo lokubila eliphantsi (68 - 69°C) | Ivumela ukufuma ngokukhawuleza kwiinkqubo zokugquma/zokomisa; kulula ukwahlulahlula nge-distillation |
| Uzinzo lweeKhemikhali | Izinzile phantsi kweemeko eziqhelekileyo zokugcina; ibola kancinci xa idibene nee-asidi ezinamandla okanye ii-peroxide | Ithembekile ekugcinweni ixesha elide (xa ikhuselekile kwi-peroxides); iyasebenza kancinci kakhulu kwii-substrates ezininzi |
| Uxinano (20°C) | 0.725 g/cm³ | Uxinano oluphantsi lunciphisa iindleko zothutho; kulula ukuyiphatha kwiinkqubo zokuxuba ulwelo |
| Ubushushu bokutsha ngokuzenzekelayo | 443°C (829°F) | Ikhuselekile kunezinyibilikisi ezitsha kakhulu (umz., i-diethyl ether) kwiindawo ezilawulwayo |
Izicelo eziqhelekileyo
Ukuguquguquka kwe-solvent ye-Isopropyl Ether kunye nokuguquguquka kwayo kwenza ukuba ibe yinto ebalulekileyo kumashishini amaninzi:
3.1 Ukwenziwa kweeKhemikhali kunye nokuKhutshwa
Ukwenziwa kwezinto eziphilayo: Isebenza njengesinyibilikisi seempendulo zeGrignard, ii-alkylations, kunye nee-esterifications. I-polarity yayo ephantsi inceda ukulawula amazinga eempendulo kunye nokuphucula isivuno semveliso kwi-intermediates ezingezizo ze-polar.
Ukutsalwa kolwelo-olwelo: Kusetyenziselwa ukwahlula iikhompawundi ze-organic kwizisombululo zamanzi (umz., ukukhupha amayeza, izibulali-zinambuzane, okanye iikhompawundi zencasa kwi-fermentation broths okanye kwi-plant extracts).
Ukuveliswa kwePeroxide: Isebenza njengezinto eziluhlaza okwesibhakabhaka zokwenza i-diisopropyl peroxydicarbonate (IPP), into eqhelekileyo eqala ukwenziwa kwepolymer (umz., i-polyvinyl chloride, i-PVC).
3.2 Ukucoca kunye nokugquma kwimizi-mveliso
Iarhente yokususa amafutha: Isebenza kakuhle ekususeni ioyile, igrisi, kunye newax kwiindawo zesinyithi (umz., izinto zeemoto, oomatshini) ngenxa yokuba inamandla okusombulula iihydrocarbons.
Iifomyula zokuGcoba kunye nokuncamathelisa: Inciphisa iiresini, iilacquers, kunye nezincamathelisi ukuze ilungise i-viscosity, iqinisekise ukusetyenziswa okugudileyo kunye nokunyanga ngokukhawuleza (kusetyenziswa kwiingubo zomthi, izincamathelisi zoshishino).
3.3 Ukusetyenziswa kweLebhu kunye noHlalutyo
I-Chromatography Solvent: Isetyenziswa njengecandelo lesigaba esijikelezayo kwi-gas chromatography (GC) kunye ne-high-performance liquid chromatography (HPLC) yokwahlula ii-organic analytes.
Isinyibilikisi sokulungiselela isampuli: Sinyibilikisa iisampulu eziqinileyo (umz., ii-lipids, ii-polymers) ukuze kuhlalutywe iikhemikhali (umz., i-Fourier-transform infrared spectroscopy, i-FTIR).
3.4 Amafutha kunye namandla
I-Fuel Additive: Ixutywe nepetroli ukuphucula umlinganiselo we-octane kunye nokunciphisa ukugoba kwenjini; ikwaphucula uzinzo lwepetroli ngexesha lokugcina.
Ukhuseleko kunye nokuThotyelwa kweMithetho
4.1 Izikhokelo zoKhuseleko
Umngcipheko Wokutsha: Ulwelo nomphunga oluvutha kakhulu; gcina kude namalangatye avulekileyo, iintlantsi, kunye neendawo ezishushu (sebenzisa izixhobo ezikhusela ukuqhuma kwiindawo zokuphatha).
Ukwakheka kwePeroxide: Ingenza iiperoxide eziqhumayo xa zibekwe emoyeni, ekukhanyeni, okanye kubushushu ngokuhamba kwexesha. Vavanya iiperoxide (usebenzisa iphepha le-starch-iodide) ngaphambi kokuba uyisebenzise; yilahle ukuba i-peroxides ifunyenwe.
Izixhobo zokukhusela: Nxiba iiglavu ze-nitrile, iiglasi ze-chemical splash, kunye ne-vapor respirator (N95 nangaphezulu) kwiindawo ezingangeni moya kakuhle. Kuphephe ukudibana nolusu/namehlo (kunokubangela ukurhawuzelelwa) kunye nokuphefumla umphunga (kunokubangela isiyezi okanye isicaphucaphu).
Indawo yokugcina: Gcina kwindawo epholileyo, emnyama, enomoya opholileyo; sebenzisa izikhongozeli zeglasi e-amber okanye ze-HDPE ezingangeni moya. Yongeza i-peroxide inhibitor (umz., i-hydroquinone) ukuze uyigcine ixesha elide.
4.2 Ukuthobela iMithetho
I-REACH (EU): Ibhaliswe phantsi kwe-REACH (Inombolo yoBhaliso: 01-2119488787-46-xxxx); iyahambelana nemiqathango yokungcola kwe-peroxide.
I-OSHA (e-US): Umda wokuvezwa emsebenzini (i-OEL): 500 ppm (i-TWA yeeyure ezi-8); ihlelwe njengolwelo olunokutsha (i-NFPA Class IB).
Udidi lwe-GHS: GHS02 (Ulwelo Oluvuthayo), GHS07 (Olucaphukisayo), GHS08 (Lusenokwenza iiperoxide eziqhumayo).
Imigangatho ye-ISO: Ihlangabezana ne-ISO 6353-2 (iinkcukacha zomgangatho we-Reagent) zokusetyenziswa kwilebhu.
Iimbalasane zePhepha leDatha yoBugcisa (i-TDS)
| Ipharamitha | Ibanga lezeMveliso | Ibanga leReagent | Indlela yoVavanyo |
| Ubunyulu (umzuzu) | 99.0% | 99.5% | I-Gas Chromatography (GC) |
| Umxholo wobumanzi (ubuninzi) | 0.1% | 0.05% | UKarl Fischer Titration |
| Umxholo wePeroxide (ubuninzi) | 5 ppm | 1 ppm | Ubungakanani be-Iodometric |
| Ubumuncu (njenge-CH₃COOH, ubuninzi) | 0.005% | 0.001% | Ubungakanani beSodium Hydroxide |
| Intsalela Engaguqukiyo (ubuninzi) | 5 mg/kg | 1 mg/kg | I-Gravimetry |
Kutheni Ukhetha i-Isopropyl Ether Yethu (CAS 108-20-3)?
Umngcipheko ophantsi wePeroxide: Imveliso yethu izinzile ngezithinteli zokutya, nto leyo enciphisa ukwakheka kweperoxide kwaye iqinisekisa ukusetyenziswa kwayo ngokukhuselekileyo.
Ucoceko Oluhlala Luhleli: Ulawulo lococeko oluvela kwi-batch ukuya kwi-batch (≥99.0% yomgangatho wemizi-mveliso) lunciphisa ukungcola okuphazamisa iinkqubo.
Ukupakisha okwenzelwe wena: Kufumaneka kwiidrama ze-1L, 20L, 200L, okanye kwiitanki ze-ISO kwiiodolo ezincinci ze-实验室 okanye kwimizi-mveliso emikhulu.
Inkxaso yoBugcisa: Iqela lethu libonelela ngesikhokelo sokuvavanya iperoxide, ukugcinwa kwayo, kunye nokwenza ngcono ukusetyenziswa kwayo (umz., ukuxuba i-solvent ukuze ikhutshwe).
Ukuthobela iMithetho yeHlabathi: Ihlangabezana nemigangatho yamazwe ngamazwe (i-REACH, i-OSHA, i-ISO) ukuze isetyenziswe kwiimarike ze-EU, i-US, kunye ne-Asia.
Qhagamshelana nathi
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