... soluble in water, but little soluble in most organic solvent.Di-PE, as an important fine-chemical intermediate, it is mainly ... monomers for UV curing system. Executive Standard: Q/PPX002-2010 ItemsSpecificationHigh-classFirst-classQualified Content of Di-Penta wt, %≥9087.085.0Content of ... , wt,% ≤0.050.100.20Phthalic Color((Fe,Co,Cu). ≤124 Di-pentaerythritol 90%