Diisopropyl ether

Cov khoom siv tshuaj lom neeg:

Tsis muaj xim, kua dej thiab cov kua uas yooj yim hlawv nrog qhov nruab nrab volatility, nrog rau tsw tshwj xeeb ether. Nws tuaj yeem tsim ib qho azeotrope nrog dej, isopropyl cawv, acetone, acetonitrile thiab ethanol.

Lub Hom Phiaj:

Diisopropyl ether yog ib qho tshuaj yaj zoo rau cov roj tsiaj, zaub thiab cov roj av thiab cov rog. Nws tuaj yeem siv los rho tawm nicotine los ntawm cov luam yeeb. Nws kuj yog ib qho tshuaj yaj zoo rau paraffin wax thiab resin. Hauv kev lag luam, diisopropyl ether feem ntau sib xyaw nrog lwm cov tshuaj yaj kom siv rau cov khoom lag luam paraffin. Cov txheej txheem dewaxing roj. Ua ib qho tshuaj yaj, nws kuj siv rau hauv cov tshuaj, cov tshuaj tsis muaj pa luam yeeb, cov tshuaj pleev xim thiab kev ntxuav xim. Diisopropyl ether muaj tus lej octane siab thiab cov khoom tiv thaiv kev khov thiab tuaj yeem siv ua tus neeg sawv cev roj av. Cov khoom no yooj yim tsim peroxide thiab tawg thaum co. Para-benzylaminophenol feem ntau ntxiv ua tus stabilizer. Cov nyhuv tshuaj loog ntawm diisopropyl ether yog sib dua li ntawm diethyl ether, tab sis lub sijhawm ntawm kev siv tshuaj loog ntev dua.

Txoj Kev Tsim Khoom Hauv kev lag luam, nws tuaj yeem rov qab tau los ntawm cov khoom seem ntawm isopropyl cawv uas tsim los ntawm kev ua kom propylene sulfuric acid. Propylene reacts nrog sulfuric acid los tsim isopropyl hydrosulfate, uas tom qab ntawd hydrolyzed rau isopropyl cawv. Thaum lub sijhawm ua haujlwm, isopropyl hydrogen sulfate thiab propylene txuas ntxiv ua haujlwm los tsim diisopropyl sulfate, uas reacts nrog isopropyl cawv los tsim isopropyl hydrogen sulfate thiab diisopropyl ether. Tom qab sulfuric acid hydration reaction, cov khoom siv Chemicalbook raug stripped nrog cov pa hauv lub desorption tower kom tso isopropyl cawv thiab diisopropyl ether los ntawm cov kua qaub. Tom qab ntawd, los ntawm kev distillation, diisopropyl ether thawj zaug tau txais los ntawm sab saum toj ntawm lub pej thuam. Hauv chav kuaj mob, isopropyl ether tuaj yeem tau txais los ntawm kev dehydrating isopropyl cawv nrog sulfuric acid, lossis los ntawm hydrogenating isopropyl cawv thiab acetone. Nws kuj tseem tuaj yeem tsim los ntawm catalytic condensation ntawm isopropyl cawv thiab propylene. Diisopropyl ether kuj tseem tuaj yeem tsim los ntawm txoj kev ion pauv resin.

xwm

CAS No. 108-20-3

Cov mis mos molecular C6H14O

Qhov hnyav molecular 102.17

EINECS No. 203-560-6

Qhov kub yaj -85.5°C

Kub taw tes 68-69 ° C (lit.)

Qhov Ceev 0.725g/mL ntawm 25°C (lit.)

Qhov ceev ntawm cov pa roj 3.5 (vsair)

Qhov siab ntawm cov pa dej 120mmHg (20°C)

Qhov kub hnyiab -29°F

Cov xwm txheej khaws cia Khaws cia hauv qab +30 ° C.

Kev yaj 3.11g/l Daim ntawv Kua xim APHA: ≤25

Qhov sib piv ntawm polarity 2.2 Tsw (Tsw) Qab zib, me ntsis ntsim;

yam ntxwv ntsim; ntxhiab zoo li ether

Cov Ntaub Ntawv Tiv Tauj

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