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| Propylene glycol( Pharmaceutical grade) |
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| Propylene glycol( Pharmaceutical grade) |
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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: 60µ
g/g max
Organic Volatile impurity 1.4 dioxane: 380µ
g/g max
Organic Voltile impurity methylene chloride: 600µ
g/g max
Organic Voltile impurity trichloroethylene: 80µ
g/g max
Packing: Net215kg/drum
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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: 60µ
g/g max
Organic Volatile impurity 1.4 dioxane: 380µ
g/g max
Organic Voltile impurity methylene chloride: 600µ
g/g max
Organic Voltile impurity trichloroethylene: 80µ
g/g max
Packing: Net215kg/drum
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