Phosphoric Acid, E338, CAS no.7664-38-2, a mineral acid, colorless, transparent syrupy liquid. Phosphoric Acid is an acidity regulator and nutrition agent for yeast food, and it applied to flavors, canned food and light drinks as well as used in wine making. As an experienced Phosphoric Acid manufacturer and supplier, we has been supplying and exporting Phosphoric Acid for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Phosphoric Acid Specification NO. Specifications Phosphoric Acid Industrial Grade Phosphoric Acid Food Grade 1 Appearance Colorless, transparent syrupy liquid or in very light color 2 Colour 30 20 3 Assay (as H3PO4 )% 85.0 85.0 4 Chloride(as Cl- )% 0.0005 0.0005 5 Sulphats(asSO42- )% 0.005 0.003 6 Iron (Fe)% 0.002 0.001 7 Arsenic (As)% 0.005 0.0001 8 Heavy metals,as Pb% 0.001 0.001 9 Oxidable matter (asH3PO4)% 0.012 10 Fluoride,as F% 0.001