| elting point | 151-154 °C(lit.) |
| Boiling point | 265 °C100 mm Hg(lit.) |
| density | 1,36 g/cm 3 |
| vapor density | 5 (vs air) |
| vapor pressure | 1 mm Hg ( 159.5 °C) |
| FEMA | 2011 | ADIPIC ACID |
| refractive index | 1.4880 |
| Fp | 385 °F |
| storage temp. | Store below +30°C. |
| solubility | : 0.1 g/mL, clear, colorless |
| pka | 4.43(at 25ºC) |
| form | Solid |
| color | White |
| PH | 2.7 (23g/l, H2O, 25ºC) |
| Water Solubility | 1.44 g/100 mL (15 ºC) |
| JECFA Number | 623 |
| Merck | 14,162 |
| BRN | 1209788 |
| Stability: | Stable. Substances to be avoided include As, strong oxidizing agents. |
| Item | Specification | Result |
| Appearance | White crystalline powder | White crystalline powder |
| Content% (m / m) ≥ | 99.70 | 99.82 |
| Melting point°C ≥ | 151.5 | 152.6 |
| Ammonia water chroma, platinum cobalt color number ≤ | 5 | 2 |
| Moisture % (m / m) ≤ | 0.20 | 0.18 |
| Ash mg / kg ≤ | 7 | 2 |
| Fe mg / kg ≤ | 1.0 | 0.2 |
| Nitrate content mg / kg ≤ | 10.0 | 0.7 |
William Li-Managing Director