1. He mea hoʻoheheʻe maikaʻi loa ia, hoʻohana nui ʻia e like me ka extractant no ka hoʻoheheʻe ʻana i nā mea ʻala, ka hoʻomaʻemaʻe ʻaila lubricating, ka ʻike acetylene, syngas desulfurization, etc., a hoʻohana pū ʻia i ka hoʻomaʻemaʻe ʻoihana, etc.
2. ʻO N-methylpyrrolidone kahi mea hoʻoheheʻe hoʻoheheʻe maikaʻi loa.Hoʻohana nui ʻia ia ma ke ʻano he extractant i ke kaʻina o ka hoʻoheheʻe ʻana i nā mea ʻala, ka ʻike acetylene, ka hoʻokaʻawale butadiene a me ka synthesis gas desulfurization.He mea ia no hoi he pesticide, 'enekinia plastic, Solvents i ka hana o ka uhi, synthetic fibers, integrated kaapuni, etc., hiki ke hoʻohana 'ia e like me ka 'oihana detergents, dispersants, dyes, lubricants a me ka antifreeze, etc. ʻO ka LD50 waha no nā ʻiole he 7ml/kg.
3. Hoʻohana nui ʻia i ka hoʻomaʻemaʻe ʻana i ka aila lubricating kiʻekiʻe, ka polymer synthesis, insulating material, pesticides, pigments a me nā mea hoʻomaʻemaʻe, etc.
4. Mea hoohehee.Hoʻo·hui kino.
5. Hoʻohana ʻia i ka ʻili ʻala, hoʻomaʻemaʻe i ka acetylene, olefin, a me diolefin;hoʻohana ʻia i loko o ka polymer solvent a me ka polymerization medium, e like me ka ʻenekinia plastics e like me polyamide, polyimide, polyphenylene sulfide, a me ka fiber aramid Hoʻohana ʻia e like me ka solvent a extractant.ʻO NMP he mea hoʻoheheʻe polar aprotic me ka haʻahaʻa haʻahaʻa, kahi paila kiʻekiʻe, solubility koʻikoʻi, koho ikaika a paʻa maikaʻi.Hoʻohana nui ʻia ia i ka unuhi ʻana i nā mea ʻala;hoʻomaʻemaʻe i ka acetylene, olefins a me diolefins.Hoʻohana ʻia ia no nā mea hoʻoheheʻe polymer a me ka media polymerization.E like me ka polyamide, polyimide, polyphenylene sulfide a me nā mea ʻenehana ʻenehana a me nā fiber aramid.Hoʻohana ʻia ia i nā mea insulating, pesticides, pigments a me nā mea holoi.