| ITEMS | SPECIFICATIONS |
| Appearance | White or pale yellow crystal powder |
| Assay | 99.0% |
| Water | 0.20% max |
| Melting point | 109.0-112.0ºC |
| Isophtalic acid | 0.20% max |
| Benzoic acid | 0.30% max |
| Isomer | 0.20% |
| Density | 1.054 |
| Melting point | 108-112 ºC |
| Flash point | 150 ºC |
| Boiling point | 263 ºC |
| Water solubility | <0.1 g/100 mL at 19 ºC |