CAS No.: | 1077-28-7 |
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Formula: | 1077-28-7 |
EINECS: | 200-534-6 |
Certification: | REACH |
Environmental Protection: | Yes |
Appearance: | Powder |
Samples: |
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Product name | Alpha Lipoic Acid | CAS No. | 62-46-4 |
Appearance |
Slightly yellow crystalline powder
|
Specification | 98% |
Other name | Lipoic Acid/thioctic acid | Brand | China |
EST ITEMS | TEST STANDARDS |
Assay by (HPLC) | 99.0% - 101 % (on the dried basis) |
Identification | The retention time of the peak for alpha lipoic acid in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the assay |
Appearance | Light yellow powder |
Odor and taste | characteristic |
Particle size | 100% pass 40 mesh |
Melting point | 60-62ºC |
Residue on ignition | ≤0.10% |
Loss on drying | ≤0.20% |
Specific rotation | - 1.0°~ + 1.0° |
Single impurity | ≤0.1% |
Total impurities | ≤2.0% |
Limit of polymer content | ≤2.0 % |
Heavy Metals | ≤10ppm |
Lead (Pb) | ≤3ppm |
Cd | ≤1ppm |
Hg | ≤0.1ppm |
Cyclohe xane | ≤3880ppm |
Ethyl ace tate | ≤5000ppm |
Tolu ene | ≤890ppm |
Total plate amount | ≤1000 CFU/g |
Yeast & Molds | ≤100 CFU/g |
E. coli | Absent |
Salmonella | Absent |
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