White crystal, relative density is 1.0803, melting point is 190℃, soluble in water easily, solule slightly in alcohol, insoluble in ketone, PH of 1% water solution is 4.5.
Technical Specifications:
S/N.
SPECIFICATIONS
INDUSTRIAL GRADE
FOOD GRADE
1
Main content (as NH4H2PO4)
≥
98
98
2
Phosphorus pentoxide
≥
60.5
60.5
3
Nitrogen, as N
≥
11.9
11.9
4
PH of 1% water solution
4.4-4.6
4.4-4.6
5
Water insoluble
≤
0.1
0.1
6
H2O Moisture content
≤
0.2
0.2
7
Arsenic, as As
≤
0.0003
8
Fluoride, as F
≤
0.005
9
Heave metals, as Pb
≤
0.001
Use:
As fire-proofing agent for woods, paper and fabric, additive for fire-retardant coating, powder extinguishing agent, for food grade it is mainly used as ferment and nourishment and so on.
Packing
Plastic knit bag, Net weight 25kg or 50kg. Storage in ventilated and dry place.
