Ultrasol® MAP PROP® is a high efficiency phosphorus source, which is protected with the Ultrasol® PROP® molecule to achieve greater availability of phosphorus in the soil and boosted with N and K that together promote rapid root development. This product is within the category of plant nutrients and is not classified as toxic according to NMX-R-019-SCIFI-2011. Please read the safety data sheet carefully before using this product".