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Propylene glycol
CAS No: 57-55-6
Assay: 99.5%min.
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.
Heavy metal (as Pb): 0.001% max.
Residue of ignition: 0.02% max.
Water insoluble: 0.01% max.
Packing: 25kg / bag.Application: PG is the rawmaterial for preparing unsaturated polyester resin, plasticizer,surface active agent,emulsifying agent and demulsifying agent. Itcan also be used as mould inhibitor, antiseptic for fruit, iceinhibitor and moisture preserving agent for tobacco.
99.5% Propylene glycol PG
