White crystals, assay ≥99.0%, P2O5 ≥61.0%, N ≥12.0%, pH 4.0–5.0 (12-61-0). Food grade is used as a leavening agent, acidity regulator and nutrient fortifier; technical grade is a fully water-soluble NP fertiliser for early-season top dressing and foliar spraying, and a premium base for NPK compounds.
