| TEST | LIMIT |
| Total color, percent by mass. (Min) | 90.0 |
| Sum of volatile matter (at 135 °C) and halides and sulfates (calculated as soduim salts), percent by mass. (Max). | 10.0 |
| Water-insoluble matter percent by mass. (Max). | 0.50 |
| Disodium salt of phthalic acid, percent by mass. (Max). | 1.00 |
| Sodium salt of 2-(3,5-Dibromo-2,4-dihydroxybenzoyl)benzoic acid, percent by mass. (Max). | 0.50 |
| 2′,4′,5′,7′-Tetrabromofluorescein, ethyl ester, percent by mass. (Max). | 1.00 |
| Brominated resorcinol, percent by mass. (Max). | 0.40 |
| Sum of disodium salts of mono- and dibromofluoresceins, percent by mass. (Max). | 2.00 |
| Sum of disodium salts of tribromofluoresceins, percent by mass. (Max). | 25.0 |
| Disodium salt of 2′,4′,5′,7′-Tetrabromofluorescein, percent by mass. (Min) | 72.0 |
| 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 |
