Diisopropyl ether/Isopropyl Ether ya xirhendzevutani
Nkatsakanyo wa Swikumiwa
Vito ra Tikhemikhali: Isopropyl Ether (leyi tlhelaka yi tiviwa tanihi Diisopropyl Ether, DIPE)
Nomboro ya CAS: 108-20-3
Fomula ya Molekhuli: C₆H14O
Ndzilo wa Molekhuli: 102.18 g/mol
Ku languteka: Mati lama nga riki na muhlovo, lama baseke lama nga ni nun’hwelo lowu tivekaka lowu fanaka ni wa ether
Nhlayo ya ku vila: 68-69°C (154-156°F)
Ndhawu yo Pfuxeta: -28°C (-18°F; khapu leyi pfalekeke)
Isopropyl Ether i nkatsakanyo wa ether lowu pfurhaka, lowu pfurhaka lowu tivekaka ngopfu hi swivumbeko swa wona swa kahle swa solvent. Tanihi solvent ya mid-polarity, yi ringanisela ku n’oka eka swilo swa organic na leswinga polar nyana, leswi endlaka leswaku yiva nchumu wa nkoka eka ku endliwa ka ti khemikhali, ku humesa, na ku basisiwa ka ti indasitiri. Nhlayo ya yona yale hansi yo vila xikan’we naku cinca cinca loku ringaneleke switlhela swi endla leswaku kuva na ku vuyiseriwa hiku olova eka maendlelo ya distillation, leswi seketelaka ku tirhisiwa kahle ka ntsengo xikan’we naku tshamiseka
Swihlawulekisi swa Nkoka & Swipfuno
| Nhundzu | Ku hlamuseriwa | Vuyelo bya Nkoka |
| Ku n’oka | Yi khuluka nyana ematini (~1.2 g/L eka 20°C); yi hlanganisiwa na ethanol, acetone, benzene, na swintshuxo swotala swa organic | Yi tirhisiwa hi tindlela to tala leswaku yi n’okisela mafurha, ti- resins, ti- wax ni swiaki leswi nga ni swilo leswi hanyaka; swi fambisana na ti co - solvents leti tolovelekeke |
| Ku cinca-cinca ka swilo | Ntshikelelo wa mpfula: 16.9 kPa eka 20°C; nhlayo yale hansi yo vila (68 - 69°C) . | Swiendla leswaku kuva na ku hatlisa ku khuluka eka maendlelo yo peta/ku omisa; ku hambanisiwa hi ku olova hi ku tirhisa distillation |
| Ku tshamiseka ka Tikhemikhali | Ku tshamiseka ehansi ka swiyimo swa ntolovelo swa vuhlayiselo; yi bola hi ku nonoka loko yi hlangana na ti acid to tiya kumbe ti peroxides | Yi tshembheka eka vuhlayiselo bya nkarhi woleha (loko yi sirheleriwa eka ti peroxides); ku cinca cinca lokuntsongo eka ti substrates totala |
| Ku tsindziyela (20°C) . | 0.725 g/cm3 | Ku hlangana ka le hansi swi hunguta ku durha ka vutleketli; swi olova ku swi khoma eka maendlelo yo hlanganisa mati |
| Ku hisa ka Autoignition | 443°C (829°F) . | Swi hlayisekile kutlula ti solvents leti pfurhaka swinene (xikombiso, diethyl ether) eka tindzhawu leti lawuriwaka |
Switirhisiwa Leswi Tolovelekeke
Ku cinca-cinca ka solvent ya Isopropyl Ether na ku cincacinca ka yona swi endla leswaku yi va leyi nga lavekiki eka tiindasitiri to tala:
3.1 Ku Endliwa ka Tikhemikhali & Ku Humesiwa
Organic Synthesis: Yitirha tani hi reaction solvent eka ti reactions ta Grignard, ti alkylations, na ti esterifications. Polarity ya yona yale hansi yi pfuneta ku lawula ti reaction rates xikan’we naku antswisa mbuyelo wa swihumelerisiwa eka non-polar intermediates
Liquid-Liquid Extraction: Yitirhisiwa ku hambanyisa ti organic compounds kusuka eka swintshuxo swa mati (xikombiso, ku humesa mirhi, swidlaya switsotswana, kumbe swihlanganisi swa nantswo kusuka eka ti broths to virisa kumbe switirhisiwa swa swimilani).
Vuhumelerisi bya Peroxide: Yi tirha tani hi xitirhisiwa xo ka xi nga tirhisiwanga xo endla diisopropyl peroxydicarbonate (IPP), xisunguri lexi tolovelekeke xa ku endliwa ka polymer (xikombiso, polyvinyl chloride, PVC).
3.2 Ku Hlantswa & Ku Funengeta ka Tiindasitiri
Degreasing Agent: Yi tirha kahle eka ku susa oyili, mafurha, na wax eka swiphemu swa nsimbi (xikombiso, swiphemu swa timovha, michini) hikokwalaho ka vuswikoti bya yona byo tiya eka ti hydrocarbons
Coating & Adhesive Formulations: Yi hunguta ti resins, lacquers, na swinamarheti ku lulamisa viscosity, ku tiyisisa ku tirhisiwa loku rhetaka na ku hatlisa ku hola (leswi tirhisiwaka eka swifunengeto swa mapulanga, swinamarheti swa ti indasitiri).
3.3 Matirhiselo ya Laboratori & Nxopaxopo
Chromatography Solvent: Yi tirhisiwa tani hi xiphemu xa mobile phase eka gas chromatography (GC) na high-performance liquid chromatography (HPLC) ku hambanyisa ti organic analytes
Solvent yo Lunghiselela Xikombiso: Yi n’okisela swikombiso leswi tiyeke (xikombiso, lipids, polymers) kuva yi kamberiwa hi tikhemikhali (xikombiso, Fourier-transform infrared spectroscopy, FTIR).
3.4 Mafurha & Eneji
Fuel Additive: Yi hlanganisiwa na petirolo ku antswisa octane rating naku hunguta ku gongondza ka njhini; yi tlhela yi antswisa ku tiya ka mafurha hi nkarhi wa ku hlayisiwa
Vuhlayiseki & Ku Landzelela milawu
4.1 Swiletelo swa Vuhlayiseki
Khombo ra ku pfurha: Mati na mpfula leswi pfurhaka swinene; tshama ekule ni malangavi lama pfulekeke, swibalesa ni swilo leswi hisaka (tirhisa switirhisiwa leswi nga pfurhiki eka tindhawu to khoma).
Ku Vumbiwa ka Peroxide: Swinga endla ti peroxides leti pfurhaka loko ti hlangana na moya, ku vonakala kumbe kuhisa hiku famba ka nkarhi. Kambela ti peroxides (hiku tirhisa phepha ra starch-iodide) loko unga se tirhisiwa; lahla loko ku kumiwile ti- peroxide
Ku Khoma Switirhisiwa Swo Sirhelela: Ambala magilavu ya nitrile, tinghilazi to chela tikhemikhali, na xitirhisiwa xo hefemula hi vapor (N95 kumbe ku tlula) eka tindhawu leti nga ngheniwiki kahle moya. Papalata ku khumbana na nhlonge/matihlo (swi nga ha vanga ku hlundzuka) na ku hefemula mimpfumawulo (swi nga vanga ku pfimba kumbe ku pfimba).
Ku hlayisa: Hlayisa eka ndzhawu yo kufumela, ya munyama, leyi nghenaka kahle moya; tirhisa swibye leswi nga ngheniwiki hi moya, swa nghilazi ya amber kumbe swa HDPE. Engeta peroxide inhibitor (xikombiso, hydroquinone) kuva yi hlayisiwa nkarhi woleha
4.2 Ku landzelerisa Milawu
REACH (EU): Yi tsarisiwile ehansi ka REACH (Nomboro ya Ntsariso: 01-2119488787-46-xxxx); ku fambisana ni swipimelo swa thyaka ra peroxide
OSHA (US): Mpimo wa ku hlangana na swilo eNtirhweni (OEL): 500 ppm (TWA ya tiawara ta 8); leyi hlayiweke tanihi mati lama pfurhaka (NFPA Class IB).
Ku Hlawuriwa ka GHS: GHS02 (Mati lama pfurhaka), GHS07 (Swi hlundzukisa), GHS08 (Swi nga ha vumba ti-peroxide leti pfurhaka).
Swipimelo swa ISO: Swi fikelela ISO 6353-2 (Swihlawulekisi swa giredi ya Reagent) ku tirhisiwa elaboratori.
Tinhla-nkulu ta Xiphephana xa Data ya Xithekiniki (TDS).
| Parameter | Giredi ya Vumaki | Giredi ya Reagent | Ndlela yo Kambela |
| Ku basa (min) . | 99.0% . | 99.5% . | Xirhendzevutana xa Gasi (GC) . |
| Nhlayo ya ndzhongho (max) . | 0.1% . | 0.05% . | Karl Fischer Ku ringanisiwa ka swilo |
| Nhlayo ya Peroxide (max) . | 5 ppm | 1 wa ppm | Ku Titration ka Iodometriki |
| Asidi (tanihi CH3COOH, max) . | 0.005% . | 0.001% . | Ku Titration ka Sodium Hydroxide |
| Masalela lama nga riki na ku cinca-cinca (max) . | 5 mg/kg | 1 mg/kg | Vutivi bya nkoka-misava |
Ha Yini Hi Hlawula Isopropyl Ether Ya Hina (CAS 108-20-3)?
Khombo ra le Hansi ra Peroxide: Xiendliwa xa hina xi tiyisisiwile hi swisivela swa xiyimo xa swakudya, leswi hungutaka ku tumbuluxiwa ka peroxide na ku tiyisisa ku tirhisiwa loku hlayisekeke
Ku basa loku nga cincekiki: Vulawuri bya ku basa hi ntlawa ku ya eka ntlawa (≥99.0% eka giredi ya tiindasitiri) byi hunguta thyaka leri kavanyetaka maendlelo
Ku Pakiwa loku Endliweke hi ku landza swilaveko swa wena: Swi kumeka hi swigubu swa 1L, 20L, 200L, kumbe mathangi ya ISO eka tioda letitsongo ta 实验室 kumbe ta vunyingi bya tiindasitiri
Nseketelo wa Xithekiniki: Xipano xa hina xi nyika nkongomiso eka ku kamberiwa ka peroxide, vuhlayiselo, na ku antswisiwa ka matirhiselo (xikombiso, ku hlanganisiwa ka solvent ku humesa).
Ku Landzelela ka Misava Hinkwayo: Ku fikelela swipimelo swa matiko ya misava (REACH, OSHA, ISO) ku tirhisiwa eka timakete ta EU, US, na Asia.
Tihlanganise na Hina
Ku kuma nxavo, swikombiso, kumbe matsalwa ya TDS/COA lama heleleke, fikelela ntlawa wa hina wa vuxavisi:
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