Your Location：Home > Products > Others > Propylene Glycol
Propylene glycol( technical grade) CAS No: 57-55-6 Assay: 99.5%min. Color(APHA): 10max. Specific gravity(20/25 °C): 1.0350~1.0410 Relative density (20/20): 1.035-1.040 Index of retraction（nD20）:1.433-1.435 Moisture : 0.2%max. Distillation range (L): 184.0~189.0°C Distillation range (U): 184.0~189.0°C Free acid (as CH3OOH%):75ppm max Distillation volume: 95 Vol% min Acidity: 0.20 ml max Chloride: 0.007% max Sulfate: 0.006% max Heavy metals: 5ppm max Residue on ignition: 0.07% max Organic Volatile impurity Chloroform: 60μg/g max Organic Volatile impurity 1.4 dioxane: 380μg/g max Organic Voltile impurity methylene chloride: 600μg/g max Organic Voltile impurity trichloroethylene: 80μg/g max Packing: Net215kg/drum Chloride: 0.005% max. Arsenic: 0.0002% max.
