inoa mea kūʻai:Methyl Ethyl Ketone
ʻAno molekala:C4H8O
No CAS:78-93-3
Huahana molecular structure:
Hōʻike:
'ikamu | Unite | Waiwai |
Maemae | % | 99.8min |
kalakala | APHA | 8max |
Waiwai ʻakika (e like me ka waikawa acetate) | % | 0.002 ka nui |
mākū | % | 0.03 ka nui |
Ka nana aku | - | wai kala ʻole |
Na Waiwai Kemika:
ʻO ka Methyl ethyl ketone kahi mea hoʻohuihui me ke ʻano kemika CH3COCH2CH3 a me ke kaumaha molekala o 72.11.He wai waihoʻoluʻu a ʻākala me ka ʻala like me ka acetone.Hiki ke maʻalahi.Hiki ke hui pū me ka ethanol, ether, benzene, chloroform a me ka aila.Hiki ke hoʻoheheʻe ʻia i loko o 4 ʻāpana o ka wai, akā e emi ana ka solubility i ka wā e piʻi ai ka mahana, a hiki ke hana i ka hui azeotropic me ka wai.ʻona haʻahaʻa, LD50 (iole, waha) 3300mg/kg.hiki ke puhi, hiki ke hana i ka pahū me ka ea.Loaʻa i ka ʻike kiʻekiʻe o ka mahu nā waiwai anesthetic.
Noi:
ʻO ka methyl ethyl ketone (2-butanone, ethyl methyl ketone, methyl acetone) he mea hoʻoheheʻe kūlohelohe o nā meaʻawaʻawa haʻahaʻa, i loaʻa i nā noi he nui.Hoʻohana ʻia ia i nā huahana ʻoihana a me nā mea kūʻai aku ma ke ʻano he mea hoʻoheheʻe no nā adhesives, pena, a me nā mea hoʻomaʻemaʻe a ma ke ʻano he de-waxing solvent.ʻO kahi mea kūlohelohe o kekahi mau meaʻai, hiki ke hoʻokuʻu ʻia ka methyl ethyl ketone i ke kaiapuni e nā lua pele a me nā ahi ahi.Hoʻohana ʻia ia ma ke ʻano he mea ʻono i ka meaʻai.
Hoʻohana ʻia ʻo MEK ma ke ʻano he solvent no nā ʻōnaehana hoʻopili like ʻole, no ka laʻana, vinyl, adhesives, nitrocellulose, a me nā uhi acrylic.Hoʻohana ʻia ia i ka wehe ʻana i ka pena, nā lacquers, nā varnish, nā pena ehu, nā sila, nā glues, nā lipine magnetic, nā inika paʻi, resins, rosins, nā hoʻomaʻemaʻe hoʻomaʻemaʻe, a no ka polymerization.Loaʻa ia i nā huahana mea kūʻai aku ʻē aʻe, no ka laʻana, nā sima hale a me nā leʻaleʻa, a me nā huahana hoʻopiha lāʻau.Hoʻohana ʻia ʻo MEK i ka ʻaila lubricating dewaxing, ka degreasing o nā metala, i ka hana ʻana i nā ʻili synthetic, ka pepa aniani a me ka alumini alumini, a ma ke ʻano he mea waena a me ka catalyst.He mea hoʻoheheʻe ʻia i ka hana ʻana i nā meaʻai a me nā meaʻai.Hiki ke hoʻohana ʻia ka MEK no ka hoʻomaʻemaʻe ʻana i nā mea hana ʻoki a me nā niho.
Ma waho aʻe o kāna hana ʻana, ʻo nā kumu kaiapuni o MEK e loaʻa i ka pauku mai nā jet a me nā ʻenekini hoʻopau i loko, a me nā hana ʻoihana e like me ka gasification o ka lanahu.Loaʻa ia ma ka nui o ka uahi paka.Hana ʻia ʻo MEK ma ke ʻano biologically a ua ʻike ʻia he huahana o ka microbial metabolism.Ua ʻike ʻia i loko o nā mea kanu, nā pheromones insect, a me nā ʻiʻo holoholona, a ʻo MEK paha kahi huahana liʻiliʻi o ka metabolism mammalian maʻamau.Paʻa ia ma lalo o nā kūlana maʻamau akā hiki ke hana i nā peroxides ma kahi mālama lōʻihi;he pahū paha kēia.