APIs and synthetic intermediates: 4-Aminobenzoic Acid(PABA)CAS No.:150-13-0Structural Formula:Quality Standard:USP31Content:98.5-101.5%Appearance:White Crystalline Powder Loss on Drying:≤0.2%Residue on ignition:≤0.1% Melting Point:186-189ºCHeavy Metals:≤20ppm Volatile Diazotizable Substance:≤20ppm Ordinary Impurities:CompliesPacking:25KG net fiber drum lined with plastic bag.