MONOAMMONIUM PHOSPHATE （MAP）
detail：
Guaranteed Technical Specifications
Chemical formula: NH4H2PO4
Molecular weight: 115.0
Standard executed: HG/T4133-2010（INDUSTRIAL GRADE）GB25569-2010（FOOD GRADE）
Throughput: 100,000t/a
Properties
White granular crystal; relative density at 1.803, melting point at 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% solution is 4.5.
Uses
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. 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. Its total nourishment (N=P2O5) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.
Packing and storage
Plastic-woven sack, net weight at 25kg, 50kg or 1,000kg. Store at a ventilated, dry place.
-
- Other Parameters
|
No
|
Specifications
|
Industrial Grade
|
Food Grade
|
|
1
|
Main contents %≥ |
99.0
|
99.0
|
|
2
|
Phosphorus pentoxide %≥
|
61.0
|
61.0
|
|
3
|
Nitrogen as N %≥
|
11.9
|
11.9
|
|
4
|
PH value (1% solution)
|
4.2-4.8
|
4.3-5.0
|
|
5
|
Moisture %≤
|
0.2
|
0.2
|
|
6
|
Heavy metal, as Pb %≤
|
/
|
0.001
|
|
7
|
Arsenic, as As %≤
|
/
|
0.0003
|
|
8
|
Fluoride as F %≤
|
/
|
0.001
|
|
9
|
Water insoluble %≤
|
0.10
|
0.10
|