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Synonyms: Diammonium Hydrogen Phosphate, Diammonium phosphate, ammonium phosphate dibasic, di ammonium phosphate, dap phosphate.
Molecular formula: (NH4)2HPO4
Molecular Weight: 132.0
CAS Number: 7778-28-0
Properties: Diammonium Phosphate is white granular crystal, relative density at 1.619, melting point at 155℃, easily soluble in water, insoluble in alcohol, PH value of 1% solution is 8.0
Specifications:
| Name | Industry grade | Food grade |
| main assay as (NH 4 ) 2 HPO 4 ) %e | 98.00 | 98.00 |
| Moisture ( as H 2 O ) %d | 0.20 | 0.20 |
| PH value ( 1% solution ) | 7.8-8.2 | 7.8-8.2 |
| Phosphorus pentoxide ( as P 2 O 5 ) %e | 52.70 | 52.70 |
| Water insoluble matter %d | 0.10 | 0.10 |
| Nitrogen (As N ) %e | 20.50 | 20.50 |
| Arsenic ( as As ) %d | 0.0004 | |
| Fluoride ( as F ) %d | 0.005 | |
| Heavy metal ( as Pb ) %d | 0.002 |
Use: As fire-extinguishing agent for fabric, wood, paper. For food grade, it is mainly used as nourishment additive.
Packing: Plastic bag, net weight 25kg, in dry and cool place.
