Propylene Glycol - liquid

Propylene Glycol
Name: 1,2-Propylene glycol
Molecular formula: C3H8O2
Relative Molecular weight: 76.09
CAS No.: 57-55-6

Packing:
Packed in galvanized iron drums, net weight 200Kg/drum. Or packed according to the clients' requirement
Storage and transportation:
Propylene Glycol is combustible. If coming into contact with oxidization it will burn. It should be stored in a cool and windy special warehouse far from fire and transported as a combustible chemical product.

Application:
Pharmaceutical industry: Propylene Glycol is used as the carrier of medicine and the agent for particle medicine.
Food industry: Propylene Glycol is used as solvent of perfume and edible pigment, emollient in food packing, and anti-adhesive,
Cosmetic industry: Propylene Glycol is used as humidor, emollient and solvent.
Tobacco industry: Propylene Glycol is used as tobacco flavor, lubricated solvent, and preservative.
Other fields: Propylene Glycol can be used as the raw material of non-saturated alkyd resin, plasticizer, dehydration, surface active agent, solidification agent, and cohesive agent.
Propylene Glycol is also used in paint industry, pesticide industry and dope industry etc.

Propylene Glycol Technical grade
Item Index
Color, (APHA) ≤10
Content, % ≥99.0
Moisture, % ≤0.2
Specific gravity (20/20) 1.035-1.039
Free acid, (As CH3OOH), ppm ≤75
Residue, ppm ≤80
Distillation rang＞95%,（Vol） 184-190
Index of retraction（n20D） 1.433-1.435

Propylene Glycol Pharmaceutical grade
Item Index
Color Tone (APHA) 10 max
Water,% 0.2 max
Specific gravity (20/25 °C) 1.0350~1.0410
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, % 0.07 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