MAP MonoAmmonium Phosphate
CAS NO.: 7722-76-1
Molecula formula: NH4H2PO4
Specification:
Item |
Standard |
Packing |
Industrial Grade |
Food Grade |
appearance |
White granular crystal |
25kg/bag |
Main contents |
99.0% min |
99.0% min |
Phosphorus pentoxide |
61.0% min |
61.0% min |
Nitrogen, as N % min |
11.8% min |
11.8% min |
PH value (1% solution) |
4.4-4.8 |
4.4-4.8 |
Moisture |
0.2% max |
0.2% max |
Heavy metal, as Pb |
|
0.001% max |
Arsenic, as As |
|
0.0003% max |
Fluoride as F |
|
0.00% max 5 |
Water insoluble |
0.10% max |
0.10% max |
Properties |
White granular crystal; relative density at 1.803,
melting point at 190 ° C, easily soluble in water,
slightly soluble in alcohol, insoluble in ketone,
PH value of 1% solution is 4.5. |
Application |
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, nourishmen
t, and so on. Used as a high effective non-chloride
N, P compound fertilizer in agriculture. Its total
nourishment (N+P 2 O 5 ) is at 73%, and may be
used as a basic raw material for N, P and K
compound fertilizer. |
|
