- Car Sunshade[10]
- Steering Wheel Covers[7]
- Car Organizers[7]
- Tire Covers[10]
- Car Covers[7]
- Car Mats[7]
- Beach Chairs[7]
- Shoe Horns[7]
- Garden Blower & Vacuum[1]
- Grass Trimmer[3]
- Chainsaws[3]
- Other Lights & Lighting Products[10]
- Other Solar Energy Related Products[2]
- Solar Chargers[2]
- Car Freshener[1]
- Solar Cells[7]
- Motorcycle Cover[6]
- Raincoats[1]
- Car Seat Covers[7]
- Material Handling Equipment Parts[2]
- Rubber Belts[5]
- Filter Meshes[7]
- Flying Disc[1]
- Key Chains[1]
- Mat[1]
- Pharmaceutical[4]
- Camping Lights[1]
- Car Seats[1]
- Contact Person : Ms. Wang Linda
- Company Name : Tiantai Linda Import & Export Co., Ltd.
- Tel : 86-576-83969889--83969898--83969886
- Fax : 86-576-83969899
- Address : Zhejiang,Tiantai,Suite C. 702, Anshamingzhu Building
- Country/Region : China
- Zip : 317200
Alpha Lipoic Acid 1077-28-7
Product Descriptions
ITEMS | STANDARD | RESULT |
Appearance | Yellow crystalline powder | Conforms |
Identification (HPLC) | Meets the requirements | Conforms |
Melting point | 60~62°C | 61.8°C |
Solubility (1N NaOH) | Clear and pale yellow | Conforms |
Residue on ignition | ≤0.10% | < 0.03% |
Heavy metals | ≤10 ppm | <10 ppm |
Chloride | ≤0.10% | < 0.07% |
Loss on drying (vacuum 40°C 3hr) | ≤0.20% | 0.04% |
Assay (by HPLC,USP method) | 99.0~101.0% | 99.36% |
Specific optical rotation | -1°~+1° | Conforms |
Related substance(by HPLC) | Single impurity ≤0.10% | 0.05% |
6,8-Epitrithiooctanoic acid ≤0.10% | 0.01% | |
Total impurities ≤0.50% | 0.07% | |
Polymers (by TLC) | ≤2.0% | <2.0% |
Residual solvents(by GC) | Toluene ≤30ppm | <20ppm |
Ethyl acetate ≤250ppm | Undetected | |
Cyclohexane ≤0.20% | 0.07% | |
Microbiology | Total aerobic counts ≤1000CFU/g | <100CFU/g |
Mould & yeast ≤100CFU/g | <10CFU/g | |
E.coli Not detectable | Undetected | |
Salmonellas Not detectable | Undetected | |
Conclusion: Conforms to USP32 Standard | ||
Alpha Lipoic Acid 1077-28-7