methyl-2-pyrrolidone CAS: 872-50-4
Hoʻolauna huahana
N-Methylpyrrolidone i kapa ʻia ʻo NMP, molecular formula: C5H9NO, English: 1-Methyl-2-pyrrolidinone, ʻaʻole waihoʻoluʻu ka helehelena i ka wai aniani melemele māmā, ʻala iki o ka amonia, hiki ke hoʻoheheʻe ʻia me ka wai i kēlā me kēia ʻāpana, hiki ke hoʻoheheʻe ʻia i ka etera, acetone. A ʻo nā mea hoʻoheheʻe ʻokoʻa like ʻole e like me nā esters, halogenated hydrocarbons, aromatic hydrocarbons, a me nā mea ʻē aʻe, ua hui pū ʻia me nā mea hoʻoheheʻe a pau loa, me kahi paila o 204 ° C a me kahi kiko uila o 91 ° C. Loaʻa iā ia ka hygroscopicity ikaika a me nā waiwai kemika paʻa. ʻAʻole ia e hoʻopōʻino i ke kila kalapona a me ka aluminika, a ʻaʻole ia e ʻino i ke keleawe. ʻAiʻino iki. Loaʻa iā ia nā pōmaikaʻi o ka viscosity haʻahaʻa, kemika maikaʻi a me ke kūpaʻa wela, ka polarity kiʻekiʻe, ka haʻahaʻa haʻahaʻa, a me ka miscibility palena ʻole me ka wai a me nā mea hoʻonā he nui. ʻO kēia huahana he micro-drug, a ʻo ka palena palena ʻae ʻia i ka lewa he 100PPM
Kahua noi
ʻO N-methylpyrrolidone (NMP) he mea hoʻoheheʻe polar aprotic. He haʻahaʻa ka ʻawaʻawa, kiʻekiʻe ka paila a me ka solubility maikaʻi loa. ʻO nā pōmaikaʻi o ka koho ikaika a me ke kūpaʻa maikaʻi. Hoʻohana nui ʻia i ka unuhi ʻana i nā mea ʻala, hoʻomaʻemaʻe i ka acetylene, olefins, a me dienes, solvent no polyvinylidene fluoride, electrode auxiliary mea no nā pā lithium-ion, syngas desulfurization, lubricant refining, lubricant antifreeze, a me ka mea lawe ʻolefin. , solvents i ka polymerization o insoluble 'enekinia plastics, mahiʻai herbicides, insulation mea, integrated kaapuni hana, hoʻomaʻemaʻe o precision mea kani a me ka kaapuni papa i loko o ka semiconductor 'oihana, PVC exhaust kinoea ho'ōla hou, hoʻomaʻemaʻe 'ana, dye additives, dispersants, etc. hoʻohana ʻia ma ke ʻano he mea hoʻoheheʻe no nā polymers a me ke ʻano no nā hopena polymerization, e like me nā plastics engineering a me nā fiber aramid. Eia kekahi, hiki ke hoʻohana ʻia i nā pesticides, nā lāʻau lapaʻau a me nā mea holoi, etc.
wehewehe kūkulu
ʻO ke ʻano o ka wai ʻākala kala ʻole (ma luna o 25 ℃)
Maʻemaʻe% ≥99.5
Māmā% ≤0.1
Chroma HaZen ≤25
ʻIkepili Refractive N20D 1.468-1.471
ʻO ka mānoanoa 1.032-1.035
Ka waiho ʻana a me ka lawe ʻana
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