Chemical formula: H₃PO₄·CO(NH₂)₂

Molecular weight: 158.0

Standard executed: Q/62089823-7.3-2002

Properties: White crystal, Soluble in water easily, but not in organic solvent. Melting point is 117.3℃.Water solution is acid. pH of 1% water solution is 1.89

Technical Specifications:

Indexes	Technical grade	Food grade
Main Content %≥	98.0	98.0
P2O5   %≥	44.0	44.0
Nitrogen, as N   %≥	17.0	17.0
Water insoluble   %≤	0.1	0.05
Heavy metal, as Pb   %≤	-	0.001
Arsenic, as As   %≤	-	0.0003
Fluoride, as F    %≤	-	0.002
Moisture   %≤	0.3	0.3
pH of 1% water solution	1.6-2.0	1.6-2.0