Monoammonium Phosphate 73% (MAP) Crystal

Manufacturer & Exporters of Mono Ammonium Phosphate Map 73% in China


73% Monoammonium Phosphate (MAP) Specification TB Chemical

white crystals

73% Monoammonium Phosphate Supplier TB Chemical 01
73% Monoammonium Phosphate TB Chemical 02

2. Physical And Chemical Properties

Chemical Name :Ammonium dihydrogen phosphate ,Ammonium biphosphate ,Primary ammonium phosphate ,Ammonium acid phosphate,Monoammonium  Phosphate

chemical formula :NH4H2PO4


molecular weight :115.03

Structural Formula:

73% Monoammonium Phosphate (MAP) Specification-01 TB Chemical

Density: 1.80 g/cm3

Melting point:190 °C (374 °F; 463 K)

Refractive index: 1.479:1.525

Odor: faint acid

Solubility in water :40.4 g/100 mL

Solubility: soluble in ethanol insoluble in acetone

3.Index Content

  • (NH4H2PO4)%
  • N%
  • P2O5%
  • Water Insoluble%
  • Moisture%
  • PH
  • Hg
  • As
  • Cd
  • Pb
  • Cr
  • Fluorde
  • 99
  • 11.8min.
  • 61min.
  • 0.1 max.
  • 0.5 max
  • 4.2-4.8
  • 5PPM max
  • 10PPM max
  • 10PPM max
  • 50PPM max
  • 50PPM max
  • 20PPM max

4. Application

(1) MAP 73% is mainly used as a fertilizer.It`s is a  completely water soluble fertilizer which can be directly used in Dripping irrigation which the Soil phosphorus deficiency especially.Also it is an Excellent phosphor material to product Large amount of water soluble fertilizer or  compound fertilizer by prilling tower process.

(2) MAP 73% displayed excellent in fire retardant ,it s a raw material of ABC powder fire extinguisher.

(3) MAP 73% is also used in the food industry as a leavening agent, dough regulator and feed additives.


25kg/PP Woven bag lined with plastic film, sealing sewing.Pay attention to prevent bask in, moisture-proof, waterproof, prevent torn bags in order to avoid the loss.

6.production technology

The process of wet process purification