Monoammonium phosphate, Mono Ammonium phosphate (MAP) is a widely used source of phosphorus (P) and nitrogen (N).* It’s made of two constituents common in the fertilizer industry and contains the most phosphorus of any common solid fertilizer.We offer high-grade Mono Ammonium Phosphate to our clients in technical and pure grades. This is a high-quality product offered at a reasonable price. Also, the product can be procured at custom requirements with prompt shipping.