methyl-2-pyrrolidone CAS: 872-50-4
Intshayelelo yemveliso
I-N-Methylpyrrolidone ibizwa ngokuba yi-NMP, ifomula yemolekyuli: C5H9NO, isiNgesi: 1-Methyl-2-pyrrolidinone, imbonakalo ayinambala ukuya kulwelo olukhanyayo olutyheli olucacileyo, ivumba elincinane le-ammonia, ixubene namanzi nakweyiphi na imilinganiselo, inyibilika kwi-ether, i-acetone. Kwaye ezahlukeneyo izinyibilikisi eziphilayo ezifana esters, hydrocarbons halogenated, hydrocarbons aromatics, njl., ixutywe ngokwekhemikhali ngokupheleleyo phantse zonke izinyibilikisi, kunye neqondo lokubilisa lika-204 ° C kunye ne-flash point ye-91 ° C. Ine-hygroscopicity enamandla kunye neepropati ezizinzileyo zeekhemikhali. Ayina corrode carbon steel kunye ne-aluminium, kwaye ayinayo i-corrosion kwi-copper. Irhabaxa kancinane. Ineenzuzo ze-viscosity ephantsi, ikhemikhali elungileyo kunye nokuzinza kwe-thermal, i-polarity ephezulu, i-volatility ephantsi, kunye ne-miscibility engenamkhawulo ngamanzi kunye ne-solvents ezininzi zezinto eziphilayo. Le mveliso i-micro-drug, kwaye umyinge wokugxininiswa ovumelekileyo emoyeni yi-100PPM
Indawo yosetyenziso
I-N-methylpyrrolidone (NMP) sisinyibilikisi se-aprotic emhlophe. Inobuthi obuphantsi, indawo yokubilisa ephezulu kunye nokunyibilika okugqwesileyo. Izibonelelo zokukhetha okunamandla kunye nokuzinza okulungileyo. Isetyenziswe ngokubanzi ekutsalweni kwe-aromatics, ukuhlanjululwa kwe-acetylene, i-olefins, kunye ne-dienes, i-solvent ye-polyvinylidene fluoride, izinto ezincedisayo ze-electrode kwiibhetri ze-lithium-ion, i-syngas desulfurization, ukucocwa kwe-lubricant, i-lubricant antifreeze, kunye ne-olefin extraction agent. , i-solvents kwi-polymerization yeeplastiki zobunjineli ezinganyibilikiyo, i-herbicides yezolimo, izinto zokugquma, imveliso yesekethe edibeneyo, ukucocwa kwezixhobo ezichanekileyo kunye neebhodi zesekethe kwishishini le-semiconductor, i-PVC yokukhupha igesi yokubuyisela, i-agent yokucoca, izongezo zedayi, i-dipersants, njl. isetyenziswa njengesinyibilikisi kwiipolymers kunye ne medium for polymerization reactions, ezifana neeplastiki zobunjineli kunye nemicu ye-aramid. Ukongeza, inokusetyenziswa kwakhona kwi-pesticides, amayeza kunye ne-detergents, njl.
Inkcazo yokwakha
Imbonakalo yolwelo olungenambala olucacileyo (ngaphezu kwama-25℃)
Ubunyulu% ≥99.5
Ukufuma% ≤0.1
I-Chroma HaZen ≤25
Isalathiso se-refractive N20D 1.468-1.471
Ubuninzi be-1.032-1.035
Ukugcinwa kunye nokuthutha
Ukupakisha: ngokweemfuno zabathengi
Ugcino: Gcina kwindawo eyomileyo, emnyama nengena umoya.
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