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Molecular formula: NH4H2PO4
Molecular weight: 115.0
Standard executed: Q/74465717-9.1-2005(technical grade)
Q/74465717-9.2-2005(food grade)
CAS Number: 7722-76-1
Properties:
White granular crystal; relative density at 1.803g/cm3, melting point at 190 , easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% solution is 4.5.
Uses:
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. 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. Its total nourishment (N+P2O5 ) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.
Packing and storage:
In 25kg, 50kg, 1000kg net bage, store at a cool, dry and well ventilated place.
Guaranteed Technical Specifications :
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No
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Specifications
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Industrial Grade
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Food Grade
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1
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Main contents% ≥
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98.0
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98.0
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2
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Phosphorus pentoxide% ≥
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61.0
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61.0
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3
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Nitrogen, as N % ≥
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11.8
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11.8
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4
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PH of 1% water solution
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4.4-4.8
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4.4-4.8
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5
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Moisture% ≤
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0.2
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0.2
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6
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Heavy metals, as Pb % ≤
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0.001
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7
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Arsenic, as As % ≤
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0.0003
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8
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Fluoride as F % ≤
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0.002
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9
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Water insoluble % ≤
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0.10
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0.10
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