CAS number: 81-13-0
Molecular formula: C9H19NO4
molecular weight: 205.2515
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 |