MAP Of Applications:
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. 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.
MAP Of Basic Information:
Chemical formula:KH2PO4
Molecular weight:136.09
Property:White or colorless crystals, soluble in water easily. Density is 2.338. Melting point is 252.6℃.
MAP Of Technical Specifications:
Index | Industrial grade | Food grade |
Main content% ≥ | 98.0 | 98.0 |
K2O % ≥ | 33.9 | 34.0 |
H2O % ≤ | 0.2 | 0.2 |
PH of 1% solution | 4.4-4.6 | 4.4-4.6 |
P2O5 % ≥ | 51.2 | 52.0 |
Water insoluble % ≤ | 0.1 | 0.1 |
Chloride, as CI % ≤ | 0.2 | 0.1 |
Arsenic, as AS % ≤ | 0.005 | 0.0003 |
Heavy metal, as Pb % ≤ | 0.005 | 0.001 |
Fe % ≤ | 0.003 | 0.003 |