Molecular formula: H3PO4 Molecular weight: 97.995 Properties: colorless transparent liquid, no smell Quality index: Item Unit Food grade Chroma Hazen - d20 phosphoric acid( as H3PO4) Assay % e85.0 Chloride( as Cl) Assay % d0.0005 Sulfate ( as SO4) Assay % d0.005 Heavy metals( as Pb) Assay % d0.0005 As ( as ) Assay % d0.00005 F % d0.0010 Readily oxidizable substance( as H3PO3) Assay % d0.012 Uses: 1.Used in drink as clarifier , sourness agent and yeast nutrient ; 2.As materials to make food grade of phosphates; 3.As metal surface treatment agent used in industry , as catalyst in organic chemistry , as additive in fire-resistant materials, it is an kind of active carbon treatment agent as well. Packing: 30/ 200KG/ PE plastic drum