Purity: Food Grade ≥85%, Cosmetic Grade ≥90%, Reagent Grade ≥95%, Technical Grade ≥80%.

Purity: Reagent Grade ≥98%, Analytical Grade ≥99%, Diagnostic Grade ≥97%, Technical Grade ≥95%.

Purity: Reagent Grade ≥85% dye content, USP Reference Standard, Technical Grade ≥75%

Purity: USP Grade ≥98%, 500 mg Tablets, EP Reference Standard