Azelaic Acid is a straight-chain saturated dicarboxylic acid with 9 carbon atoms in its structure. It is naturally found in plants such as rye, wheat, and barley. Azelaic Acid powder is slightly soluble in cold water and easily soluble in general organic solvents. It is a fat-soluble dibasic acid. It is mainly used in skin care products and pharmaceutical products because of its antibacterial, anti-inflammatory, and oil secretion-inhibiting effects.
Item | Specification | Result | Test Methods |
Assay GC | ≥98% | 99.25% | GC |
Particle Size | 95% pass 80 mesh | Qualified | 80 Mesh Screen |
Loss on drying | ≤1.0% | 0.28% | 5g / 105℃ / 2hrs |
Residue on Ignition | ≤0.1% | 0.08% | 2g / 525℃ / 3hrs |
Appearance | Fine powder | Qualified | Visual |
Color | White or off white | Qualified | Visual |
Odor | Typical | Qualified | Organoleptic |
Taste | Typical | Qualified | Olfactory |
Heavy Metals | NMT10ppm | Qualified | ICP/MS |
Arsenic (As) | NMT1ppm | Qualified | ICP/MS |
Lead (Pb) | NMT1ppm | Qualified | ICP/MS |
Mercury(Hg) | NMT1ppm | Qualified | ICP/MS |
Total Plate Count | NMT1,000cfu/g | Qualified | USP |
Total Yeast & Mold | NMT100cfu/g | Qualified | USP |
E.Coli. | Negative | Negative | AOAC |
Salmonella | Negative | Negative | USP |
Staphylococcus | Negative | Negative | USP |
Packing & Storage | Packed in paper-drums and two plastic-bags inside.N.W.:25kgs Store in a well-closed container Away from moisture. |
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