| Customization: | Available |
|---|---|
| CAS No.: | 123-99-9 |
| Formula: | C9h16o4 |
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Product Name: Azelaic acid
CAS: 123-99-9
MW: 188.22
MF: C9H16O4
Appearance: White crystal powder
Azelaic acid, also known as nonanedioic acid, is a naturally occurring dicarboxylic acid that is found in grains such as wheat,rye, and barley. It is also produced by a type of yeast called Malassezia furfur that is found on the skin of humans and animals.
| Test Items | Specifications | Results |
| Appearance | White powder solid | Qualified |
| Content | ≥ 98.00 % | 98.66 % |
| Total dicarboxylic acid content | ≥ 99.00% | 99.71 % |
| Monoacid content | ≤ 0.30% | 0.21 % |
| Melting point | 106-107.5 ºC | 106.1-107.1 ºC |
| Acid value | 585.0-595.0 MgKOH/g | 593.7 MgKOH/g |
| Water content | ≤ 0.5 % | 0.4% |
| Ash content | ≤ 0.5 % | 0.2% |
| Heavy metal | ≤ 20ppm | 10 ppm |
| Light transmittance, 440nm | 97-100 % | 98 % |
| Light transmittance, 550nm | 95-100 % | 98 % |
| Partide Size | 10um | 98.0% <10um |
| The chloride ion | ≤ 0.005% | 0.003 % |
| Sulfate | ≤ 0.025% | 0.020 % |
| Iron ions | ≤ 0.002% | 0.0019 % |
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