Chemical formula: NaH2PO4·2H2O
Molecular weight: 156.01
Standard executed: GB1908-86
Properties: Colorless crystal, relative density at 1.915, melting point at 57.4℃. All easily soluble in water, but not in organic solution.
Technical specifications:
|
No
|
Specification
|
Food grade Superior grade
|
|
1
|
Main content %≥
|
98
|
|
2
|
P2O5 %≥
|
44.6
|
|
3
|
pH of 1% water solution
|
4.2-4.6
|
|
4
|
Water insoluble %≤
|
0.05
|
|
5
|
Heavy metal, as Pb %≤
|
0.001
|
|
6
|
Arsenic, as As %≤
|
0.0003
|
|
7
|
Fluoride, as F %≤
|
0.002
|
Application: Used for water treatment of boiler, also as buffering agent to acidity, detergent, cleaning agent, dyeing flux, for tanning and electroplating, for food additive. It is mainly used as buffering agent, emulsification agent, nourishment agent, etc.
Packaging: Plastic-woven sack with polythene inner bag, net weight: 25kg, 50kg or 1000kg. Stored in ventilated and dry place
