White granular crystal, relative density at 1.619g/cm3, melting point at 155 , easily soluble in water, insoluble in alcohol,

Uses:As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.

No.	Specifications	Industrial Grade	Food Grade
1	Main content% ≥	98.0	98.0
2	Phosphorus pentoxide% ≥	53.0	53.0
3	Nitrogen, as N % ≥	20.8	20.8
4	PH value of 1% solution	7.8-8.2	7.8-8.2
5	Moisture % ≤	0.2	0.2
6	Heavy metals, as Pb %≤		0.001
7	Arsenic, as As% ≤		0.0003
8	Fluoride as F% ≤		0.005
9	Water insoluble % ≤	0.10	0.10