... , ethylene glycol, formamide, insoluble in toluene, acetone, ethylene dichloride, ether and petroleum ether, etc. Easy to be general organic acid ester, and dilute ... impurityNo visible to the impurity white with HuiQing color or light yellowMonoPentaerythritol (%) min. 99.098.094.0Hydroxy content (%) min.47.047 ...