White or colorless crystals. It is soluble in water easily. The density is 2.338, and melting point is 252.6°C. Usage: Used in food industry. Packing: Plastic knit bag or kraft bag, net weight 25kg or 50 kg. Besides, we can pack the goods according to the requirement of the client. Store at ventilated dry places.Technical Specifications: Specifications Food AdditiveMain content % ≥ 99.0 Phosphorus Pentoxide % ≥ 51.5 K2O % ≥ 34.0Chloride, as Cl % ≤ 0.2 PH Value of 3% water solution 4.4-4.8Water insoluble % ≤ 0.1Moisture % ≤ 0.2Arsenic, as As % ≤ 0.0003Fluoride, as F % ≤ 0.005Heavy metals, as Pb % ≤ 0.001