Monoammonium Phosphate（MAP）
Alias: Ammonium dihydrogen phosphate; industrial MAP;
CAS No. :7722-76-1
Molecular formula: NH4H2PO4
MW: 115.03
Character: The melting point is 190 ° C and density is 1.02 g / mL ( 20 ° C ,storage conditions is 2-8 ° C ). It dissolved in water, and the solubility is 368g / L (20 o C).
Uses: Used as wood, paper, fabric flame retardant, fiber processing and dispersing agent in dye industries.And the agent of fire retardant coating , extinguishing agent of dry powder fire, or fermentation agent and nutritional agent in the food industry. Also used as a highly efficient N & P fertilizer.
Packing and storage: In 1-25kg, 50kg, 1000kg net bags, store at cool, dry and well ventilated place..
Quality standard (reference standard)
|
Specification
|
Index
|
|
Technical grade
|
Food grade
|
|
NH4H2PO4 %≥
|
98.0
|
98.0
|
|
P2O5 %≥
|
61.0
|
61.0
|
|
N %≥
|
11.8
|
11.8
|
|
PH（1%solution）
|
4.4-4.6
|
4.4-4.6
|
|
Water insoluble %≤
|
0.10
|
0.10
|
|
Moisture %≤
|
0.5
|
0.5
|
|
As %≤
|
----
|
0.0003
|
|
F %≤
|
----
|
0.005
|
|
Heavy metal (Pb） %≤
|
----
|
0.001
|
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