Diammonium Phosphate, E342, CAS no.7783-28-0, also known as DAP, is an ammonium salt of Phosphoric Acid, available as White Crystal. Manufacturing process via chemical synthesis, Ammonia and Phosphoric acid as raw materials. Diammonium Phosphate is often used as a yeast nutrient in wine making and brewing mead, mainly used as a fermentation agent.
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Diammonium Phosphate Specification
No. standard name industrial grade food grade
1 Main content(as (NH4)2HPO4)% 99.0 99.0
2 Phosphorus pent-oxide(as P2O5)% 53.0 53.0
3 Nitrogen(as N)% 20.8 20.8
4 PH value 7.8-8.2 7.8-8.2
5 Moisture% 0.2 0.2
6 Heavy metal(as Pb)% 0.001
7 Arsenic(As)% 0.0003
8 Fluoride(as F)% 0.005
9 Water insoluble % 0.10 0.10
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Diammonium Phosphate is a derivative of Phosphoric Acid. Diammonium Phosphate is freely soluble in water. Diammonium Phosphate is a white crystalline powder with a melting point of 155oC. It should be stored in tightly closed containers in a Room Temperature.
Diammonium Phosphate is used in Flame Proofing & as a Fire Extinguishing Agent. It is also used in various Fermentations such as Yeast Cultures. It can also be used in Corrosion Inhibitor. It is used in Agriculture as a Fertilizer.
It is fire-extinguishing agent for fabrics, woods and paper.
It is used as a high effective non-chloride N&P compound fertilizer in agriculture. It contains totally 74% fertilizer elements and can be used as a basic raw materials for N, P, K compound fertilizer.
PRODUCT SPECIFICATION
DAP Parameters Typical
Fraction of total mass of ammonia nitrogen, %, min 18 +/-1
Fraction of total mass of phosphorus in terms of P2O5, %, min 46 +/-1
Fraction of total mass of sulfur in terms of S, %, min 1.5
Fraction of total moisture, %, max 1.8
Granulometry:
Fraction of total mass of granules measuring:
Under 1 mm, %, max 3
2 mm to 5 mm, %, min 95
Static strength of granules, MPa, not less then 3.0
Free flowing
Free from harmful substances
Coloured into black/beige/white
