
| Item |
Index |
||
| superior grade |
A grade |
qualified |
|
| appearance |
Colorless to pale yellow transparent liquid, allowed to darker when stored |
||
| Aniline purity /% ≥ |
99.80 |
99.60 |
99.40 |
| Nitrobenzene content /% ≤ |
0.002 |
0.010 |
0.015 |
| Low boiling content /% ≤ |
0.008 |
0.010 |
0.015 |
| High boiling content /% ≤ |
0.01 |
0.03 |
0.05 |
| Moisture content /% ≤ |
0.10 |
0.30 |
0.50 |