MONO-AMMONIUM PHOSPHATE(MAP)
Formula NH4H2PO4
Molecular weight 115.00
CAS 7722-76-1
Properties White granular crystals; relative density at 1.803g/cm3, melting point at
190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketones, 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 In 25/50/500/1000kg PP/PE bag or on customer request.
Storage Dry and well ventilated warehouse.
Specification
Inspection Items Unit Industrial Grade Food Grade
Purity %≥ 98.0 98.0
Phosphorus Pentoxide %≥ 61.0 61.0
Nitrogen( As N ) %≥ 11.8 11.8
pH value of 1% Solution — 4.4-4.8 4.4-4.8
Moisture %≤ 0.2 0.2
Heavy Metals( As Pb ) %≤ — 0.001
Arsenic( As As ) %≤ — 0.0003
Fluoride ( As F ) %≤ — 0.002
Water-Insolubles %≤ 0.10 0.10
