Product Name | DL-Panthenol | ||
CAS NO. | 16485-10-2 | ||
TEST ITEM | SPECIFICATION | RESULTS | |
Identification | Normal Reaction | Conforms | |
Appearance | Well Dispersed White Powder | Conforms | |
Assay | 99.0-102.0% | 99.87% | |
Melting Range | 64.5℃ to 68.5℃ | 65.7℃ to 66.8℃ | |
Specific optical rotation,589nm | -0.05º to +0.05º | Conforms | |
Loss on Drying | <=0.5% | 0.21% | |
Residue on Ignition | <=0.1% | 0.018% | |
Limit of Aminopropanol | <=0.1% | 0.017% | |
Heavy metals | <=10ppm | Conforms | |
Organic Volatile Impurities | To meet USP | Conforms | |
Conclusion | Comply with the USP 41 |