Diammonium Phosphate (Dap 21-53-0)

Diammonium Phosphate DAP Food Grade/ Tech Grade/ Electronic Grade

Diammonium Phosphate (DAP):

Chemical Property:
Diammonium phosphate (DAP) is a compound with the chemical formula (NH4)2HPO4. It is a highly soluble salt that appears as a white, crystalline powder. DAP contains two ammonium (NH4+) cations and one hydrogen phosphate (HPO4^2-) anion in its structure. This composition provides a source of both nitrogen and phosphorus, making DAP a valuable fertilizer and nutrient supplement.

Applications:
Diammonium phosphate finds applications primarily in agriculture as a fertilizer, but it also has uses in other industries:

Agriculture and Fertilizers:
DAP is one of the most commonly used fertilizers worldwide. Its high nitrogen content supports plant growth and leaf development, while phosphorus promotes root growth, flowering, and fruiting. The ammonium component of DAP also contributes to pH control in soil, which can be important for optimizing nutrient availability to plants.

Nutrient Supplement:
DAP can be used as a nutrient supplement for both plants and animals. In animal feed, it provides a source of nitrogen and phosphorus, essential for growth and overall health.

Industrial Processes:
DAP is utilized in various industrial applications. For instance, it's used as a fire retardant and flame inhibitor in certain materials due to its ability to release ammonium compounds that resist combustion.

Water Treatment:
In water treatment processes, DAP can be used to reduce pH levels, control scale formation in pipes, and adjust the alkalinity of water.

Yeast Nutrient:
In the brewing and fermentation industries, DAP is used as a nutrient for yeast during the fermentation process. It provides nitrogen necessary for yeast growth and alcohol production.

Laboratory and Research:
DAP is sometimes employed in laboratories for specific applications, such as in the preparation of buffer solutions or as a source of nutrients in cell culture media.

Explosives Manufacturing:
While not a common application, DAP has been used in the production of certain explosives due to its chemical properties.

DAP's versatility stems from its dual nutrient content of nitrogen and phosphorus, making it valuable for promoting plant growth and supporting various industrial processes. When using DAP, it's important to consider proper dosing and application methods to ensure optimal results and minimize any potential environmental impacts.

FORMULA: (NH4)2HPO4
CAS NO: 7783-28-0
EINECS: 231-987-8
ORIGIN: China
Port of Loading: Chongqing
MOQ: 25MT
ETD: 25-30
Customization: Yes
Package: 25kg/1000kg/1250kg/1300kg Bags

DAP, Ammonium Hydrogen Phosphate
Known as Diammonium Phosphate
(NH4)2HPO4, 21-53-0,
Item Specifications
AppearanceWhite Crystals
Main Content99%; Nitrogen (N)21%; P2O553%; Water Insolubleâ?¤0.1%; Moistureâ?¤0.3%;
PH Value7.8-8.5;Packing25kg plastic woven bag

Diammonium Phosphate Fertilizer DAP
Chemical formula:(NH4)2HPO4

Molecular weight:132.0

Standard executed :HG/T4132-2010(Tech grade) GB 30613-2014 (Food grade)

Property:White crystal, Relative density is 1.619g/cm3, melting point is 155 , easily soluble in water , insoluble in alcohol, PH value of 1%solution is 8.0

Uses:As a fire-prevention agent for fabric, timber and paper. Also as a raw materials for ammonium polyphosphate of high polymerization. It may be used for maketing printing plates; in food industry it is mainly used as a fermentation agent, nourishment and so on; In agriculture, it is used as a high effective non-chloride N,P compound fertilizer and containing totally 74% fertilizer elements, it is often used as a basic raw material for N,P and K compound fertilizer.

Packing:Plastic woven bag. Net weight 25 Kg, 50Kg ,1000Kg , store at a cool, dry and well ventilated place.

Product Name: Diammonium Phosphate (DAP)

"Type: Food Additives
Origin: China
CAS No.: 7783-28-0
AUCO No.: 300
Packing: 25kg bag"

Items Standard
Main content (NH4) 2HPO4 99%
P2O5 Phosphorus Pentoxide 53%
Nitrogen, as N 20.8%
Moisture 0.1%
Heavy metals, as Pb 0.001%
SO4 0.5%
Arsenic, as As 0.0003%
Fluoride 10 ppm
Water insoluble 0.10%
PH (1% water solution) 7.8-8.2
Na2O 0.001%
K2O 0.01%
Density 20--40 mesh
Insoluble matter NIL
Any foreign particle NIL

Diammonium Phosphate (DAP)
Type: Food Additives
Origin: China
CAS No.: 7783-28-0
AUCO No.: 300
Packing: 25kg bag

DAP NH42HPO4 is a light brown granular phosphatenitrogen compound fertilizer produced by neutralizing phosphoric acid with ammonia

The phosphate is well soluble in water while the nitrogen content is in ammonium form P nutrient availability is ensured for crop rotation at the same time as nitrate fertilization
DAP can be used for all types of crop and all kinds of soil and should be applied during nitrogen fertilization in the spring or autumn

High quality contains fully watersoluble highly concentrated phosphate
Good transport and storage qualities nonhygroscopic nondustforming does not tend to cake
Good spreading behavior thanks to a balanced range of granule sizes
Suitable for fertilizer mixes thanks to excellent granular properties

Chemical Analysis





Component


Range


Typical




Main content


99%min


99%




P2O5


53%min


53%




NasNH4


20.8%min


21.0%




Moisture


0.2%max


0.2%




Insoluble


0.1%max


0.1%




As


0.0003%max


0.0003%




Pb


0.001%max


0.001%




F


0.002%max


0.002%




Note: Please contact us get the details COA of Diammonium phosphate (DAP 21-53-0)



Applications





Fertilizer


Diammonium phosphate(DAP)is a widely used as a source of P and N fertilizer which Excellent for low pH or alkaline soils





Non Agricultural Uses



(1)Used as afire retardant.
(2)Used as a yeast nutrient inwinemakingand brewingmead.
(3)Used as an additive in some brands of cigarettes purportedly as anicotineenhancer.
(4)Used as aFluxfor soldering tin, copper, zinc and brass.
(5)Controlprecipitationof alkali-soluble and acid-insoluble colloidal dyes onwool.

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Diammonium phosphate (DAP) is a widely used fertilizer that provides a high concentration of phosphorus and nitrogen nutrients. It is composed of two ammonium ions and one phosphate ion. DAP is a water-soluble salt and is often used in agricultural settings to enhance plant growth. Here are some key points about diammonium phosphate:
Nutrient Composition: Diammonium phosphate is a good source of both nitrogen and phosphorus, with nitrogen content in the ammonium form and phosphorus in the phosphate form.
The nitrogen in DAP is readily available for plants, while phosphorus is essential for root development, flowering, and fruiting.
Solubility: Diammonium phosphate is highly water-soluble, making it easy to apply as a liquid fertilizer or to dissolve in irrigation systems.
pH and Acidity: DAP tends to be slightly acidic, which can contribute to lowering the pH of the soil over time. It is essential to monitor soil pH when using fertilizers to prevent overly acidic conditions.
Application: DAP is commonly used as a dry granular fertilizer that can be broadcast on the soil surface.
It can also be dissolved in water and applied as a liquid fertilizer through irrigation systems, providing quick nutrient availability to plants.
Uses: Diammonium phosphate is suitable for a variety of crops, including grains, fruits, vegetables, and legumes.
It is often used during the early stages of plant growth to promote root development.
Storage: DAP should be stored in a cool, dry place to prevent moisture absorption and caking.
Safety Considerations:

When handling DAP, it's important to follow safety guidelines and use appropriate protective equipment to prevent skin or eye contact and inhalation.
Compatibility: Diammonium phosphate is compatible with many other fertilizers and can be used in combination with them to provide a broader spectrum of nutrients.
Environmental Impact: Like other fertilizers, the application of DAP should be done responsibly to minimize environmental impact, such as nutrient runoff into water bodies.