Jun 01, 2020

Lub Cev Thiab Khoom Siv Tshuaj Ntawm Ethyl Acetate

Tso lus

Cov tsos ntawm ethyl acetate: tsis muaj xim thiab ua kua ntshiab.

Cov ntxhiab tsw: Muaj lub zog ether zoo li tsis hnov ​​tsw, ntshiab ntsuj plig, cawv txiv hmab me me, yooj yim rau diffuse, tsis ua kom ntev ntev.

Ua taus pa: flammable

Flash point (℃): -4 (kaw lub khob), 7.2 ℃ (qhib khob)

Kev ntsuas kub siab (℃): 426

Kev tawg qis dua qhov txwv (%): 2.0

Qaum tawg qhov txwv (%): 11.5

Yam tsawg kawg nkaus ignition zog (mJ): 0.46

Qhov tawg siab ntau (MPa): 0.850

Viscosity (mPa · s, 20ºC): 0.45

Kub taw tes (℃): 77.2

Kev haum wavelength: 260 (nm)

Tus txheeb ze ceev (cua=1): 3.04

Tus txheeb ze ceev (dej=1): 0.90

Kev ntsuas kub tseem ceeb: 250.1 (℃)

Melting point (℃): -83.6

Qhov ntsuas phom sij (20 ℃): 1.3708-1.3730

Tus txheeb ze ceev (dej=1): 0.894 --- 0.898

Tus txheeb ze vapor ceev (cua=1): 3.04

Siab vapor siab (kPa): 13.33 (27 ℃)

Tshav kub ntawm kev sib txuas (kJ / mol): 2247.89

Kev ntsuas kub tseem ceeb (℃): 250.1

Kev thuam tseem ceeb (MPa): 3.83

Logarithmic tus nqi ntawm octanol / dej muab faib coefficient: 0.73

Molecular dipole lub sijhawm ntawm chav tsev kub: 1.78D

Ethyl acetate solubility: Ua me ntsis soluble hauv dej, soluble hauv feem ntau cov organic solvent xws li cawv, ketone, ether, chloroform, thiab lwm yam.


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