| TEST | LIMIT |
| Total color, percent by mass. (Min) | 87.0 |
| Sum of volatile matter (at 135 °C) and chlorides and sulfates (calculated as sodium salts), percent by mass. (Max) | 13.0 |
| Water-insoluble matter, percent by mass. (Max) | 0.20 |
| 2-Naphthol, percent by mass. (Max) | 0.40 |
| Sulfanilic acid, sodium salt, percent by mass. (Max) | 0.20 |
| Subsidiary colors, percent by mass. (Max) | 3.00 |
| 4,4′-(Diazoamino)-dibenzenesulfonic acid, percent by mass. (Max) | 0.10 |
| Lead (as Pb) parts per million (Max) | 20.0 |
| Arsenic (as As), parts per million (Max) | 3.00 |
| Mercury (as Hg), parts per million (Max) | 1.00 |
