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Diammonium Phosphate
Nanjing Liwei Chemical Co., Ltd.

Synonyms:Diammonium hydrogen phosphate,ammonium phosphate dibasic,ammonium hydrogen phosphate,diammonium hydrogen orthophosphate
Chemical formula:(NH4)2HPO4

Molecular weight:132.0

Standard executed:Q/62089823-7.1-2002

Diammonium Hydrogen Phosphate Properties:

White crystalline free flowing solid. Density is 1.619,melting point is 155℃.Soluble in water easily, water solution is alkaline, PH of 1% water solution is 8.0


Diammonium phosphate 99%

Main Content(NH4)2HPO4    %≥


Phosphorus Pentoxide     %≥


Nitrogen,(asN)           %≥


Water Insoluble          %≤


Moisture               %≤


Heavy metals,as Pb        %≤


Arsenic,as As           %≤


Fluoride as F              %≤


PH valuo of 1% water solution


Packing & Storage
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Frequently Asked Questions

Q: Diammonium Phosphate Application

A: Diammonium hydrogen phosphate is a corrosion inhibitor that helps keep contents fresh and prevent the erosion or rusting of a can or dispenser. DAP is also used as a yeast nutrient in winemaking and brewing. We know there are concerns about phosphates and their impact on waterways and surface water. However, Diammonium Phosphate is used in low concentrations to limit the concentrations of total phosphate being used in SC Johnson products and potentially released to surface waters.

Packing: Plastic knit bag, Net weight 25Kg, store at ventilated dry places.

DAP can be used as a fire retardant. Diammonium hydrogen phosphate lowers the combustion temperature of the material, decreases maximum weight loss rates, and causes an increase in the production of residue or char.

Phosphates are basically compounds of phosphorus and oxygen that occur in many forms and are usually combined with other elements. We offer a wide range of phosphates industrial grade compounds such as SODIUM DIHYGROGRN PHOSPHATE,POTASSIUM PHOSPHATE,SODIUM PYROPHOSPHATE and so on.