Product Name: Phosphoric Acid Molecular formula: H3PO4 Molecular weight: 98.00 CAS No: 7664-38-2. Specification Phosphoric acid Specifications Industrial grade Food grade H3PO4 85.0% min 85.0% min Chloride, as Cl 0.0005% max 0.0005% max Sulfate, as SO4 0.005% max 0.005% max Iron, as Fe 0.002% max 0.002% max Arsenic, as As 0.005% max 0.0001% max Heavy metal, as Pb 0.001% max 0.001% max Whiteness 30% max 30% max . Applications: Used for phosphate industry, electroplating and chemical polishing, pharmaceutics and sugar-making industries, producing compound fertilizer, etc. Package: 35kg/drum; 21MTS/20.