Phosphoric Acid 85% Tech Grade & Food Grade Formula:H3PO4 85% 81% 75% CAS: 7664 38 2 Usage as food acidulant yeast untr Phosphoric Acid 85% Molecular formula: H3PO4 ... .: 8Usage: in manufacture superphosphates, other phosphate salts, polyphosphates, detergents. Acid catalyst in making ethylene, purifying hydrogen peroxide. As acidulant and ... drums or 330 kg drums or 1700kg IBC'S phosphoric acid 85%