Diisopropyl ether

Kapangidwe ka mankhwala:

Madzi opanda mtundu, madzimadzi komanso oyaka moto okhala ndi kusinthasintha kwapakati, okhala ndi fungo lapadera la ether. Amatha kupanga azeotrope yokhala ndi madzi, isopropyl alcohol, acetone, acetonitrile ndi ethanol.

Cholinga:

Diisopropyl ether ndi mankhwala abwino ophera tizilombo toyambitsa matenda m'mafuta ndi mafuta a nyama, ndiwo zamasamba ndi mchere. Angagwiritsidwe ntchito kuchotsa nikotini kuchokera ku fodya. Ndi mankhwala abwino ophera sera ndi utomoni wa parafini. M'makampani, diisopropyl ether nthawi zambiri imasakanizidwa ndi mankhwala ena ophera tizilombo kuti igwiritsidwe ntchito pazinthu zopangidwa ndi parafini. Njira yochotsera mafuta m'thupi. Monga mankhwala ophera tizilombo, imagwiritsidwanso ntchito m'mafakitale, mankhwala opanda utsi, zokutira ndi kuyeretsa utoto. Diisopropyl ether ili ndi octane yambiri komanso mphamvu zoletsa kuzizira ndipo ingagwiritsidwe ntchito ngati mankhwala osakaniza mafuta. Mankhwalawa amapanga peroxide mosavuta ndikuphulika akagwedezeka. Para-benzylaminophenol nthawi zambiri imawonjezedwa ngati chokhazikika. Mphamvu ya mankhwala ophera tizilombo ya diisopropyl ether ndi yopepuka kuposa ya diethyl ether, koma nthawi ya mankhwala ophera tizilombo ndi yayitali.

Njira Yopangira Mafakitale, imatha kubwezeretsedwa kuchokera ku isopropyl alcohol yopangidwa kuchokera ku hydration ya propylene sulfuric acid. Propylene imayanjana ndi sulfuric acid kupanga isopropyl hydrosulfate, yomwe kenako imasinthidwa kukhala isopropyl alcohol. Panthawi yochita izi, isopropyl hydrogen sulfate ndi propylene zimapitiliza kuchita izi popanga diisopropyl sulfate, yomwe imayanjana ndi isopropyl alcohol kupanga isopropyl hydrogen sulfate ndi diisopropyl ether. Pambuyo pa hydration ya sulfuric acid, zinthu za Chemicalbook zimachotsedwa ndi nthunzi mu desorption tower kuti zitulutse isopropyl alcohol ndi diisopropyl ether kuchokera ku acid solution. Kenako, kudzera mu distillation, diisopropyl ether imayamba kupezeka pamwamba pa nsanja. Mu labotale, isopropyl ether imatha kupezeka pochotsa madzi a isopropyl alcohol ndi sulfuric acid, kapena pochotsa hydrogenating isopropyl alcohol ndi acetone. Itha kupangidwanso ndi catalytic condensation ya isopropyl alcohol ndi propylene. Diisopropyl ether ingapangidwenso pogwiritsa ntchito njira ya ion exchange resin.

chilengedwe

Nambala ya CAS 108-20-3

Fomula ya molekyulu C6H14O

Kulemera kwa maselo 102.17

EINECS Nambala 203-560-6

Malo osungunuka -85.5°C

Kutentha kwa madzi: 68-69°C (lit.)

Kuchulukana 0.725g/mL pa 25°C (lit.)

Kuchuluka kwa nthunzi 3.5 (vsair)

Kuthamanga kwa nthunzi 120mmHg (20°C)

Malo owunikira −29°F

Malo osungiramo zinthu Sungani pansi pa +30°C.

Kusungunuka 3.11g/l Fomu Mtundu wamadzimadzi APHA: ≤25

Kuchuluka kwa polarity 2.2 Fungo (Fungo) Lokoma, lonunkhira pang'ono;

zonunkhira; fungo lofanana ndi la ether

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