Technical specifications:
Chemical formula: (NH4)2HPO4
Molecular weight: 132.0
Standard: HG/T4132-2010 (Industrial grade)
Properties:
White granular crystal. Relative density is 1.619, melting point is 155℃. Easily soluble in water and insoluble in alcohol. PH of 1% aqueous solution is 8.0.
Uses:
Ammonium dihydrogen phosphate is mainly used in wood, paper and fabric as fire-proofing agent, as additive of fire retardant coating. It can also be used as leavening agent and nutrient in food industry and in preparing basic raw material of N, P, K combined fertilizer in agricultural fertilizer.
Packing:
Woven bag lined with plastic, net weight is 25, 50 and 1000Kg. Keep in dry and well-ventilated place.
Technical Parameters:
| No. |
Item |
Industrial grade |
|
1 |
Main content (as (NH4)2HPO4)%≥ |
99.0 |
|
2 |
Phosphorus pentoxide (P2O5) %≥ |
53.0 |
|
3 |
Nitrogen (N)%≥ |
20.8 |
|
4 |
PH value (1% aqueous solution) |
7.6—8.2 |
|
5 |
Moisture %≤ |
0.2 |
|
6 |
Heavy metal (as Pb) %≤ |
/ |
|
7 |
Arsenic (as AS)%≤ |
/ |
|
8 |
Fluoride (F) %≤ |
/ |
|
9 |
Water insoluble %≤ |
0.10 |
