ʻO ka wehewehe pōkole:


  • Kuhikuhi FOB Price:
    US $1,164
    / Tona
  • Awa:Kina
  • Kūkākūkā uku:L/C, T/T, Western Union
  • CAS:141-78-6
  • Huahana Huahana

    Huahana Huahana

    inoa mea kūʻaiEthyl acetate

    ʻAno molekala:C4H8O2

    No CAS:141-78-6

    Huahana molecular structure

     Ethyl acetate

    Na Waiwai Kemika:

    ʻO Ethyl acetate (ke ʻano i hōʻike ʻia ma luna) ka ester kamaʻāina loa i nā haumāna kemika he nui a ʻo ka ester paha me ka laulā o ka hoʻohana.Hoʻokumu ʻia nā Esters mai nā waikawa carboxylic ma o ka hoʻololi ʻana i ka hydrogen acidic e kahi hui alkyl a i ʻole aryl.ʻO ka Ethyl acetate ponoʻī he wai kala ʻole i ka lumi wela me kahi ʻala "hua" ʻoluʻolu, bp 77°C.

    He nui nā hoʻohana ʻana o ka Ethyl acetate, e like me nā ʻano hua a me nā mea hoʻonani ʻala, nā mea ʻono no ka mea ʻono, ice cream a me nā keke, ma ke ʻano he solvent i nā noi he nui (me ka decaffeinating ti a me ka kope) no nā varnish a me nā pena (nail varnish remover), a no ka ka hana ʻana i nā ʻīnika pai a me nā mea ʻala.

     

    Noi:

    Hoʻohana nui ʻia ʻo Ethyl acetate ma ke ʻano he mea hoʻoheheʻe a me ka diluent, makemake ʻia ma muli o kona kumu kūʻai haʻahaʻa, haʻahaʻa haʻahaʻa, a me ke ʻala ʻoluʻolu.No ka laʻana, hoʻohana maʻamau ia e hoʻomaʻemaʻe i nā papa kaapuni a i kekahi mau mea hoʻoneʻe varnish nail (hoʻohana pū ʻia ka acetone a me ka acetonitrile).Hoʻohana ʻia nā pīni kofe a me nā lau kī me kēia solvent. Hoʻohana ʻia ia i nā pena ma ke ʻano he mea hoʻoikaika a paʻakikī paha.I loko o nā mea ʻala, hoʻoheheʻe koke ʻia, waiho wale ka ʻala o ka ʻala ma ka ʻili.
    3 – 1 – Ke hoʻohana ʻana i ka Laboratory
    I loko o ke keʻena hoʻokolohua, hoʻohana mau ʻia nā hui ʻana me ka ethyl acetate i ke kolamu chromatography a me nā unuhi.ʻAʻole hiki ke koho ʻia ka Ethyl acetate ma ke ʻano he mea hoʻoheheʻe hopena no ka mea hiki ke hana i ka hydrolysis a me ka trans esterification.
    3 – 2 – Ka hana ʻana i nā waina
    ʻO ka Ethyl acetate ka ester maʻamau i loko o ka waina, ʻo ia ka huahana o ka waika organic volatile maʻamau - acetic acid, a me ka ethyl alcohol i hana ʻia i ka wā fermentation.ʻOi loa ka ʻala o ka ethyl acetate i nā waina ʻōpio a kōkua i ka ʻike maʻamau o ka "hua" i ka waina.
    3 – 3 – He mea pepehi kanaka
    Ma ke kahua o ka entomology, ʻo ka ethyl acetate kahi asphyxiant maikaʻi no ka hoʻohana ʻana i ka ʻohi ʻana a me ke aʻo ʻana.I loko o kahi pahu pepehi i hoʻopaʻa ʻia me ka ethyl acetate, e pepehi koke nā mahu i ka ʻōpala i hōʻiliʻili ʻia (maʻamau maʻamau) me ka luku ʻole.No ka mea, ʻaʻole ia he hygroscopic, mālama pū ka ethyl acetate i ka nalo i mea palupalu e ʻae i ka kau ʻana kūpono no kahi hōʻiliʻili.


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