Diammonium Phosphate, E342, CAS no.7783-28-0, also known as DAP, is an ammonium salt of Phosphoric Acid, available as White Crystal. Manufacturing process via chemical synthesis, Ammonia and Phosphoric acid as raw materials. Diammonium Phosphate is often used as a yeast nutrient in wine making and brewing mead, mainly used as a fermentation agent. As an experienced Diammonium Phosphate manufacturer and supplier, we has been supplying and exporting Diammonium Phosphate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Diammonium Phosphate Specification No. standard name industrial grade food grade 1 Main content(as (NH4)2HPO4)% 99.0 99.0 2 Phosphorus pent-oxide(as P2O5)% 53.0 53.0 3 Nitrogen(as N)% 20.8 20.8 4 PH value 7.8-8.2 7.8-8.2 5 Moisture% 0.2 0.2 6 Heavy metal(as Pb)% 0.001 7 Arsenic(As)% 0.0003 8 Fluoride(as F)% 0.005 9 Water insoluble % 0.10 0.10