Propylene Glycol is excellent in viscosity and hygroscopicity,and is non-toxic,it is widely used as hygroscopic agent,antifreeze,lubricants and solvents in the food,Pharmaceutical and cosmetic industry,in the food industry,it reacts with fatty acid to give propylene ester of fatty acids,is mainly used as food emulsifier;it is also a good solent for flavoring and pigments.
Propylene Glycol is commonly used as solvents,softeners and excipients,ect. In the pharmaceutical industry for the manufacture of various types of ointments and salves.
Propylene Glycol is also used as a solvent and a softener for cosmetic since it has good mutual solubility with various spices.used as tobacco moisturizing agents,antifungal agents,food processing equipment lubricants and solvents for food marking ink.aqueous solution of propylene glycol is an effectiv anti-freeze agent.
|
Item |
Specification |
Result |
|
Appearance |
Colorless clear viscous liquid |
Colorless clear viscous liquid |
|
Color Pt -Po |
10 max |
<10 |
|
Water % |
0.2 max. |
0.042 |
|
Specific Gravity(20/25℃) |
1.0350~1.0370 |
1.0355 |
|
Assay |
NLT 99,0% |
99．89% |
|
EG |
50 ppm max |
0 |
|
DEG |
50 ppm max |
0 |
|
Identification |
Conforms |
Conforms |
|
Chloride % |
0.007 max. |
<0.007 |
|
Sulfate % |
0.006 max |
<0.006 |
|
Heavy metals ppm |
5 max. |
<5 |
|
Residue on ignition mg |
2.5/50g max. |
0.50 |
|
Acidity(0.1N NaOH) ml |
0.05max |
0.02 |
|
Fe |
0.1ppm max |
0 |
|
IBP |
184℃ |
185.5℃ |
|
DP |
189℃ |
186.3℃ |
