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DAP Fertilizer (Diammonium Phosphate)

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100 Metric Ton/Metric Tons (Min. Order)
Supply Ability:
1000 Metric Ton/Metric Tons per Week
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Quick Details

Phosphate Fertilizer
Diammonium Phosphate, Diammonium Phosphate
CAS No.:
Other Names:
Diammonium phosphate
Place of Origin:
Release Type:
18-46 %
Fertilizer grade
Brand Name:
Model Number:
Diammonium phosphate
Increases the Soil pH
Incompatible with:
Alkaline Chemicals
Total nitrogen:
18% Min
Total phosphate P2O5:
46% Min
P205 water soluble:
43% Min
2% max
Granulometry size:
2-4 mm 90% min
ISO 9001-2008

Packaging & Delivery

Packaging Details: 50 kg bags or big bags or bulk
Delivery Detail: Shipped in 15 days after payment
Product Description
Diammonium Phosphate



DAP is used as a fertilizer. When applied as plant food, it temporarily increases the soil pH, but over a long term the treated ground becomes more acidic than before upon nitrification of the ammonium. It is incompatible with alkaline chemicals because its ammonium ion is more likely to convert to ammonia in a high-pH environment. The average pH in solution is 7.5–8.


DAP can be used as a fire retardant. It lowers the combustion temperature of the material, decreases maximum weight loss rates, and causes an increase in the production of residue or char. It is the largest component of some popular commercial firefighting products.


DAP is also used as a yeast nutrient in winemaking and brewing; 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.

Relatively Safe.

Used for Grains, Fruits and Vegetables; Banding (for Calcareous Soils) and Broadcasting .

Stored in bulk and bags.







General Specification
 Application Agriculture 
 Purity 18-46%
 State Granular
 EINECS No. 231-987-8
 CAS No. 7783-28-0
 Type DAP-Diammonium phosphate
 Certificate ISO 9001-2008
 Total Nitrogen 18% min.
 Moisture:  2% max.
 Granulometry Size 2 - 4 mm 90% min.
 ClassificationPhosphate Fertilizer 
 Other NamesDAP
 Place of Origin Morocco
 Model NumberDiammonium phosphate
 FunctionIncrese the Soil pH
 Total phosphate P20546% Min
 Grade StandardFertilizer Grade
Incompatible withAlkaline Chemicals 
P205 Water Soluble43% Min
Brand NameSiman


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Company Profile
Company Profile


Siman Ltd has started its activities in 1994 as a company for trade and distribution of chemical products. For this period we have been able to establish close collaboration and relationship with our customers and suppliers. While constantly trying to determinate and even predict the actual needs of our partners, we have ever been able to expand the list of the products we are supplying and to improve our service. As an end result of this consequent striving for perfectness we have implemented the system for quality management –ISO 9001:2008, which simply serves to one more time prove our commitment to maintain our highly professional level of customer service.

The main activity of Siman Ltd is trading with chemical products, non ferrous metals and fertilizers over the territory of Bulgaria and worldwide. We have well established partnership network in more than 30 countries around the globe. It’s exactly these relationships that make our main capital, capital that we count on. It’s also these relationships that make our know-how for doing business, namely:

Our Mission

  • Building up, maintaining and developing correct and stable relationships with our customers and suppliers in Bulgaria and abroad;
  • Our top value are the people-providing satisfaction not only to our customers , but also to our employees is our obligation.


  • In order to fulfill the expectations of our customers, we have been always paying attention to the quality of the product we offer;


  • The opened and transparent dialogue with our fellows, suppliers and customers is our way of communication;


  • Siman Ltd has well developed logistic network, which allows us to deliver the goods in a fast and efficient way.

We dare to say, that we are in position to offer the best possible combination between price, quality and stability of the delivery of a given chemical product that we supply. A list of the chemicals that we handle is readily available in our website.

We would be happy to hear from you, for which we are taking the opportunity to say thank you one more time.





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