Alpha Lipoic Acid
Miasto: LV, Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | Yellow crystalline powder | Complies |
Identification | IR-Spectroscopy | Conforms |
Identification | Liquid chromatography | Conforms |
Melting Point | 60.0~62.0℃ | 61.8℃ |
Specific Rotation | -1.0° to +1.0° | 0° |
Particle Size Loose | 100% through 40 mesh | Conforms |
Bulk Density Assay | Report only | 0.42 g/ml |
Assay (dried basis) | 99.0% ~101.0% | 99.1% |
Heavy Metals
Analysis Item | Specification | Result |
Heavy Metals | Not more than 10ppm | Complies |
Lead | Not more than 3ppm | <3 ppm |
Arsenic | Not more than 1ppm | <1 ppm |
Cadmium | Not more than 1ppm | <1 ppm |
Mercury | Not more than 0,1ppm | <0.1 ppm |
Impurities
Analysis Item | Specification | Result |
Loss on Drying | Not more than 0.20% | 0.08% |
Residue on Ignition | Not more than 0.10% | 0.02% |
Individual Impurities | 0.10% max | 0.02% |
Total Impurities | 2.0% max | 0.04% |
Chromatographic Purity | Conforms | Conforms |
Residual Solvents
Analysis Item | Specification | Result |
Cyclohexane | 3880 ppm max | 1510 ppm |
Ethyl Acetate | 500 ppm max | 110 ppm |
Toluene | 20 ppm max | 10 ppm |
Microbiological Tests
Analysis Item | Specification | Result |
Total Plate Count | ≤1000 CFU/g | <10 CFU/g |
Yeast & Mold | ≤100 CFU/g | <10 CFU/g |
E. Coli | Absence/g | Not Detected |
Staphylococcus aureus | Absence/g | Not Detected |
Salmonella | Absence/g | Not Detected |