Appearance Light Pink Colored Powder pH of 2% slurry in Distilled 3.5-7.5 Water Total Volatile Matter 10.0%(max) at 135 C Dye Content 90.00% Arsenic (ppm) 0.300 (max) Lead (ppm) 10.00 (max) Micro Test Maximum 100 micron org/g Pathogens Nil Mercury 01.00 (Max) Used in: as a colorant in dental disclosing tablets, drug and cosmetic applications and environments, and soaps and detergents, cosmetics