Basic Info.

Product Description

Product name: propylene glycol molecular formula: c3h8o2 cas no.: 57-55-6 propylene glycol pharma grade item index color tone (apha) 10 max water,% 0.2 max specific gravity (20/25 °c) 1.0350~1.4010 refractive index(25°c) 1.4307~1.4317 distillation range (l), °c 184.0~189.0 distillation range (u),°c 184.0~189.0 distillation volume, vol% 95 min identification passed acidity, ml 0.20 max chloride, % 0.007 max sulfate, % 0.006 max heavy metals, ppm 5 max residue on ignition, % 0.007 max organic volatile impurity chloroform, µg/g 60 max organic volatile impurity 1.4 dioxane, µg/g 380 max organic voltile impurity methylene chloride,µg/g 600 max organic voltile impurity trichloroethylene, µg/g 80max assay, glc% 99.5 min