Mono Ammonium Phosphate

Mono Ammonium Phosphate (NH4H2PO4) is formed when a solution of phosphoric acid is added to ammonia until the solution is distinctly acidic. It crystallizes in tetragonal prisms.

Mono Ammonium Phosphate is often used in the blending of dry agricultural fertilizers.

Formula : NH4H2PO4 Molar mass :  115.03 g/mol
Melting point :  190 °C IUPAC ID : Ammonium Dihydrogen Phosphate
Density : 1.80 g/cm³ Soluble in : Water

1) Blending of dry agricultural fertilizers.

2) Used In some dry chemical fire extinguishers.

Technical Name Mono Ammonium Phosphate
Appearance White Crystal
Assay Min 99%
N as Nitrogen Min 12%
Ammonium as NH3 Min 14.3%
P2O5 Min 61%
Moisture Max 0.1%
pH of 5% Sol. 4 – 5
Water Insoluble matters Max 0.05%

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