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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¡æ , 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 :
|
No |
Specifications |
Industrial Grade |
Food Grade |
|
1 |
Main contents% ¡Ý |
98.0 |
98.0 |
|
2 |
Phosphorus pentoxide% ¡Ý |
61.0 |
61.0 |
|
3 |
Nitrogen, as N % ¡Ý |
11.8 |
11.8 |
|
4 |
PH of 1% water solution |
4.4-4.8 |
4.4-4.8 |
|
5 |
Moisture% ¡Ü |
0.2 |
0.2 |
|
6 |
Heavy metals, as Pb % ¡Ü |
|
0.001 |
|
7 |
Arsenic, as As % ¡Ü |
|
0.0003 |
|
8 |
Fluoride as F % ¡Ü |
|
0.002 |
|
9 |
Water insoluble % ¡Ü |
0.10 |
0.10 | |
