Ammonium Dihydrogen Phosphate MAP

  • CAS No.: 7722-76-1
  • Type.: Phosphates
  • Appearance: White crystal powder
  • Molecular Formula: H6NO4P
  • Shelf Life: 2 years
  • Min Order Quantity: 25kg
  • Specification
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Food Grade
Item Standard Test Results
Appearance white crystal white crystal
Main Content, as (NH4)H2PO4, % ≥ 99.0 99.87
Phosphoric anhydride content (P2O5)% ≥ 61.0 61.66
Total nitrogen content (N-NH4), %  ≥ 12.0 12.03
Insolubles rates, % ≤ 0.1 0.02
Moisture, as H2O, % ≤ 0.2 0.04
PH value 4.3-5.0 4.45
Fluoride, as F, mg/kg ≤ 10 5
As, mg/kg ≤3 <3
heavy metal, as Pb, mg/kg ≤ 10 <10
CONCLUSION PASSED
 
Industrial Grade
Item Standard Test Results
Appearance white crystal white crystal
Main Content, as (NH4)H2PO4, % ≥ 98.5 99.05
Phosphoric anhydride content (P2O5), % ≥ 60.8 61.1
Total nitrogen content (N-NH4), % ≥ 11.8 12.1
Insolubles rates, % ≤ 0.1 0.02
Moisture, as H2O, % ≤ 0.5 ≤0.15
PH value 4.2-4.8 4.4
(1) Use MAP (Ammonium Dihydrogen Phosphate) is mainly used to prepare compound fertilizers, and can also be directly applied to farmland. Use as analytical reagents and buffers. MAP (Ammonium Dihydrogen Phosphate) is used as high efficiency nitrogen and phosphorus compound fertilizer.
 
(2) MAP (Ammonium Dihydrogen Phosphate) can be used as flame retardant for wood, paper and fabric, dispersant for fiber processing and dye industry, enamel glaze, fire retardant coating compound, fire extinguisher for match holder and candle wick, dry powder extinguishing agent.
 
(3) MAP (Ammonium Dihydrogen Phosphate) is also used in printing and pharmaceutical manufacturing.
 
(4) MAP (Ammonium Dihydrogen Phosphate) is used in food industry as leavening agent, dough regulator, yeast food, fermentation aid and buffer. Also used as animal feed additives.
 
 
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