Description
Propylene Glycol (PG)
Chemical Name: 1, 2-Propanediol
CAS NO: 57-55-6
Chemical formula：C3H8O2
Product specifications
|
Item |
Pharm. Grade |
Ind. Grade |
|
Appearance |
Colorless, viscous and transparent liquid |
Colorless, viscous and transparent liquid |
|
PG Content, % (wt) |
≥99.8 |
≥99.5 |
|
Moisture, % (wt) |
≤0.2 |
≤0.2 |
|
olor No, (Pt-Co) |
≤10 |
≤10 |
|
Relative density,d2020g/cm3 |
1.035-1.039 |
1.035-1.039 |
|
Index of retraction, (nD20) |
1.433-1.435 |
1.433-1.435 |
|
Acidity (as acetic acid), % |
≤0.20 |
≤0.20 |
|
Chloride, %(wt) |
≤0.007 |
≤0.007 |
|
Distillation rang,＞95% (Vol) |
184.0-189.0 |
- |
|
Distillation volume, Vol% |
≥95 |
- |
|
Sulfate, %(wt) |
≤0.006 |
- |
|
Heavy metals, ppm |
≤5 |
- |
|
Organic Volatile impurity Chloroform, µg/g |
≤60 |
- |
|
Organic Volatile impurity 1.4 dioxane, µg/g |
≤380 |
- |
|
Organic Voltile impurity methylene chloride,µg/g |
≤600 |
- |
|
Organic Voltile impurity trichloroethylene, µg/g |
≤80 |
- |
Packing
In 215 KG blue iron drums, net weight: 17.2 tons/20’FCL.
In IBC drums, net weight: 20 tons/20’FCL
In flexi tank, net weight: 22 tons/20’FCL.
In ISO tank, net weight: 23.6 tons/TANK
Application
1. Pharmacy: Can be used as the carrier of medicine and agent for particle medicine.
2. Cosmetic: Can be used as humidor, emollient and solvent in cosmetic industry.
3. Tobacco: Can be used as tobacco flavor, lubricated solvent, and preservative.
4. Food: Can be used as the essence, solvent of edible pigment, softener of food packaging, anti-sticking agent of food and etc.
Others: Can be used to produce unsaturated polyester resin, and also be the raw material of plasticizer, dehydrating agent, surface active agent, curing agent, binder and etc..
