説明
DDDA CAS 693-23-2 Dodecanedioic Acid
Specification :
| Items | Specification | Results |
| Appearance | white powder or flake | white powder |
| Total Acids (%) | ≥99.0 | 99.9 |
| Dodecanedioic Acid (%) | ≥98.5 | 99.8 |
| Melting Point (℃) | 129-131 | 129-131 |
| Water (%) | ≤0.4 | 0.2 |
| Ash (ppm) | ≤30 | 15 |
| Iron (ppm) | ≤3 | 2 |
| Total Nitrogen (ppm) | ≤50 | 25 |
| Color (440nm/550nm)(T%) | 96/98 | 99.5/99.8 |
| Color Stability(440nm/550nm) (T %) |
89/92 | 95.0/99.1 |
| Acetic Acid (ppm ) | ≤400 | <400 |
