Sodium Tripolyphosphate
Basic information:
CAS NO.13573-18-7
Chemical formula:Na5P3O10
Molecular weight:367.86
Character:white powder
Melting point:622℃
Solubleness(mg/ml):20g/100ml at 20℃ soluble in water.
Technical Index(Mass fraction/%)
|
Item |
Index |
||
|
Superior |
Frist grade |
Qualified |
|
|
Whiteness % ≥ |
90.0 |
85.0 |
80.0 |
|
Phosphorus Pentoxide(P2O5),% ≥ |
57.0 |
56.5 |
55.0 |
|
Sodium Tripolyphosphate(Na5P3O10)% ≥ |
96.0 |
90.0 |
85.0 |
|
Water insoluble % ≤ |
0.10 |
0.10 |
0.15 |
|
Iron(Fe),% ≤ |
0.007 |
0.015 |
0.030 |
|
PH Value(1% solution) |
9.2-10.0 |
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|
Fineness: more than 95% Particle size through 1.00mm sieve |
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Uses:
used as food industry moisture retention agent,quality improver,ph Regulator,metal chelating agent.
Package/Capacity of container/Storage:
Packing:in 25kg bag.
Store in cool,dry and ventilated warehouse.