Colourless or white crystals, industrial grade. Mainly used as a fire retardant for wood, paper and textiles, as an additive in fire-retardant coatings and in dry powder extinguishers; as a leavening and nutrient agent in food industry; and in agriculture as a chlorine-free binary N-P fertiliser with total nutrient (N+P2O5) of 73%, a base material for N-P-K blends. Packed in 25 kg / 50 kg bags, stored in a ventilated dry place.