Chemical formula: Na2HPO4
Molecular weight: 141.98
Properties: White powder, soluble in water easily, water solution is alkaline. pH of 1% water solution is 8.8-9.2
Technical Specification:
No
|
Specifications
|
food grade Superior grade
|
1
|
Appearance
|
White powder
|
2
|
Main content %≥
|
98.0
|
3
|
P2O5 %≥
|
49.0
|
4
|
pH of 1% water solution
|
9.0-9.4
|
5
|
Water insoluble %≤
|
0.1
|
6
|
Arsenic, as As %≤
|
0.0003
|
7
|
Fluoride, as F %≤
|
0.003
|
8
|
Heavy metal, as Pb %≤
|
0.001
|
9
|
Sieve test(Through 60 mesh) %≥
|
90.0
|
Application: Used as soft water agent for boiler. For food grade, it is mainly used as additive agent, pH adjustable agent.
Packing: Plastic-woven sack with polythene inner bag. Net weight: 25kg. Stored in ventilated and dry place.