Potassium Azeloyl Diglycinate is a potassium salt prepared by the reaction of azelaic acid and glycine. It retains the skin-improving properties of azelaic acid while being significantly milder. After the introduction of glycine into azelaic acid, this derivative demonstrates excellent water solubility and stable chemical properties, allowing it to be more widely used in cosmetic formulations. Its raw material is a white powder, which is easily soluble in water and insoluble in oil.
| Items | Specifications | Results |
| Appearance | White or off-white powder | Conforms |
| Solubility | Soluble in water | Conforms |
| pH(3%Water solution.) | 3% Aqueous solution should be 4.5-7.5 | 5.9 |
| Loss on Drying | ≤1.0% | 0.5% |
| Assay | ≥90.0% | 95.2% |
| Pb(mg/kg) | ≤10.0 | Conforms |
| As (mg/kg) | ≤2.0 | Conforms |
| Cadmium (mg/kg) | ≤5.0 | Conforms |
| Mercury (mg/kg) | ≤ 1.0 | Conforms |
| Total number of colonies(CFU/g) | ≤500 | Conforms |
| Molds and yeast(CFU/g) | <100 | Conforms |
| Heat-resistant coliforms | Not detected | Conforms |
| Staphylococcus aureus | Not detected | Conforms |
| Pseudomonas aeruginosa | Not detected | Conforms |
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