Diammonium phosphate

DIAMMONIUM PHOSPHATE (DAP)

Molecular formula:(NH4)2HPO4
Molecular weight:132.0
Standard executed:Q/7089476401-1998
CAS Number:7783-28-0
【Properties】 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.
【Uses】 As a fire-prevention agent for fabric, timber and paper, for food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N,P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.
【Packing and Storage】 In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
【Guaranteed Technical Specifications】
Specifications Industrial Grade Food Grade
Main contents(NH4)2HPO4 %≥ 98.0 98.0
Phosphorus pentoxide %≥ 53.0 53.0
Nitrogen, as N %≥ 20.8 20.8
PH of 1% water solution 7.8-8.2 7.8-8.2
Moisture %≤ 0.2 0.2
Heavy metals, as Pb %≤ 0.001
Arsenic, as As %≤ 0.0003
Fluoride, as F %≤ 0.005
Water insoluble %≤ 0.10 0.10

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