|
Name of product
|
Phenylxylylethane(PXE)
|
Phenylethyl phenyl ethane(PEPE) |
|
Components
|
Phenyl xylyl ethane
|
Phenyl ethyl phenyl
ethane |
| Molecular formula
|
C16H18 |
C16H18 |
| Molecular weight |
210 |
210 |
| Synthesis |
Synthesize 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 formula |
 |
| Explanation |
PXE and PEPE is isomer |
| Name of index |
PXE |
PEPE |
| Appearance |
Colorless 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,20℃g/cm3 |
0.960-0.990 |
0.960-0.999 |
| Refractive index,n25D |
1.5600~1.5700 |
1.5500~1.5700 |
| Dispersive index,25℃ |
>180 |
>185 |
| Acid number,mg KOH/g |
< 0.015 |
<
0.015 |
|
Flash point(closed
cup),℃ |
≥140 |
≥135 |
| Freezing point,℃ |
< -40 |
< -60 |
| Kinetic viscosity(cst),mm2/s,40℃ |
≤5.0 |
≤4.0 |
| Dielectric strength,50Hz,kv/2.5mm |
≥55 |
≥60 |
| Dielectric loss factor,tg δ ,90℃,50Hz |
≤0.001 |
≤0.0010 |
| Volume resistivity,pv,Ω·m,90℃ |
≥1x1012 |
≥1x1012 |
| Relative dielectric constant,ε,50Hz,25℃ |
2.5~2.6 |
2.45~2.6` |
| Mosisture,ppm |
<100 |
<100 |
| Property of evolved gas(speed
of evolved gas )method A,μl/min |
<-100 |
<-100 |
|
