Фенилксилилэтан (PXE)

Name of productPhenylxylylethane(PXE)Phenylethyl phenyl ethane(PEPE)ComponentsPhenyl xylyl ethanePhenyl ethyl phenyl ethane Molecular formula C16H18C16H18Molecular weight210210SynthesisSynthesize it with styrene and orthoxylene as raw material through purification and distillation and refining.Synthesize it with styrene and orthoxylene as raw material through purification and distillation and refining.Structural formulaExplanationPXE and PEPE is isomerName of indexPXEPEPEAppearanceColorless or pale yellow transparent liquid,no suspended matter,no precipitation,no mechanical impurity Colorless or pale yellow transparent liquid,no suspended matter,no precipitation,no mechanical impurity Density,20g/cm30.960-0.9900.960-0.999Refractive index,n25D1.5600 1.57001.5500 1.5700Dispersive index,25>180>185Acid number,mg KOH/g< 0.015< 0.015 Flash point(closed cup),≥140≥135Freezing point,< -40< -60Kinetic viscosity(cst),mm2/s,40≤5.0≤4.0Dielectric strength,50Hz,kv/2.5mm≥55≥60Dielectric loss factor,tg δ ,90,50Hz≤0.001≤0.0010Volume resistivity,pv,Ω·m,90≥1x1012≥1x1012Relative dielectric constant,ε,50Hz,252.5 2.62.45 2.6`Mosisture,ppm<100<100Property of evolved gas(speed of evolved gas )method A,μl/min<-100<-100