Byname: Ammonium Polyphosphate Molecular Formula: (NH4)n+2PnO3n+1/(NH4PO3)n Appearance: White Powder Product Description: high content of phosphorus and nitrogen, synergistic effect generated by P-N system, good fire resistance property, relatively high stability, low water solubility, good decentrality, approximate neutral PH, relatively good chemical stability, good compatibility, safe and ...