CAS number: 81-13-0
Molecular formula:
molecular weight:
Chemical structure:
Product name: |
Dexpanthenol |
|
Shelf life |
Two years |
|
Inspection Standard: |
USP34 |
|
Tests |
Specification |
Results |
Appearance |
Colorless, viscous and clear |
Conform |
liquid |
||
Identification |
A:Infrared Absorption |
Conform |
B、C:Positive reaction |
Positive reaction |
|
Assay(on the anhydrous basis) |
98.0%~102.0% |
99.57% |
Water |
Not more than 1.0% |
0.42% |
Specific rotation |
+29.0° ~+31.5° |
+31.08° |
Limit of aminopropanol |
Not more than 1.0% |
0.56% |
Residue on ignition |
Not more than 0.1% |
0.05% |
Refractive Index(20℃) |
Meets the requirements |
Meets the requirements |
Conclusion : Conform to USP34 |