| TEST | LIMIT |
| Total color, percent by mass. (Min) | 96.0 |
| Sum of volatile matter (at 135 °C), percent by mass (Max) | 2.00 |
| Water insoluble matter, percent by mass (Max) | 0.30 |
| Matter insoluble in carbon tetrachloride, percent by mass (Max) | 1.50 |
| p-Toluidine, percent by mass (Max) | 0.10 |
| 1,4-Dihydroxyanthraquinone, percent by mass (Max) | 0.20 |
| 1-Hydroxy-4-[(4-methylphenyl)amino]-9, 10-anthracenedione, percent by mass (Max) | 5.00 |
| Lead (as Pb) parts per million (Max) | 20.00 |
| Arsenic (as As), parts per million (Max) | 3.00 |
| Mercury (as Hg), parts per million (Max) | 1.00 |
