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Ammonium Phosphate

Monoammonium Phosphate Diammonium Phosphate Ammonium Phosphate Monobasic Dibasic Supplier, Manufacturer's Representative, CAS Number 7722-76-1 and CAS Number 7783-28-0

CAS number: 7722-76-1, 7783-28-0
Chemical Formula: NH4H2PO4

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DESCRIPTION

Monoammonium phosphate also called Mono ammonium phosphate or Ammonium dihydrogen phosphate, NH4H2PO4, is formed when a solution of phosphoric acid is added to ammonia until the solution is distinctly acid. The compound is also a component of the ABC powder in some dry chemical fire extinguishers.

Uses:
Monoammonium phosphate or Ammonium dihydrogen phosphate (MAP) is used 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.

Specifications of Monoammonium Phosphate or Monobasic Ammonium Phosphate Monobasic CAS Number 7722-76-1:
Appearance: White crystal
Assay: 99% minimum
P2O5: 61% minimum
N: 12.0% minimum
pH: 4.4-5.5
Insoluble matters in water: 0.05% maximum
Moisture: 0.2% maximum.

Diammonium Phosphate or Ammonium Phosphate Dibasic or Diammonium hydrogen phosphate also called diammonium phosphate (NH4)2HPO4, is formed by evaporating a solution of phosphoric acid with excess of ammonia.

Diammonium Phosphate or Ammonium Phosphate Dibasic or Diammonium hydrogen phosphate also called diammonium phosphate (NH4)2HPO4 (DAP) is used as a fertilizer and a fire retardant. It is also used as a yeast nutrient in winemaking and brewing mead; as an additive in some brands of cigarettes purportedly as a nicotine enhancer; to prevent afterglow in matches, in purifying sugar, as a flux for soldering tin, copper, zinc and brass and to control precipitation of alkali-soluble and acid-insoluble colloidal dyes on wool.

Specifications of Diammonium Phosphate or Dibasic Ammonium Phosphate Dibasic CAS Number 7783-28-0:
Appearance: White crystals
Assay: 99% minimum
P2O5: 53% minimum
N: 20.9% minimum
pH: 7.8-8.2
Insoulble matters in water: 0.10% maximum
Moisture: 0.2% maximum.


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