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Sodium Tripolyphosphate
Sodium Tripolyphosphate
Product Name: Sodium Tripolyphosphate (STPP)
CAS Number: 7758-29-4
Molecular Formula: Na5P3O10
Specifications:
|
Items |
Industrial Grade |
|
Appearance |
white powder |
|
Assay (Na5P3O10), % minimum |
94.0 |
|
Phosphorus Pentoxide (P2O5), % minimum |
57.0 |
|
Insoluble, % maximum |
0.15 |
|
Iron (Fe), % maximum |
0.015 |
|
pH value (1% water solution) |
9.2-10.0 |
|
Whiteness, % minimum |
90 |
|
Moisture, % maximum |
1.0 |
|
Density, g/cm3 |
0.35-0.9 |
|
Phase I |
10-30 |
Usage: It is mainly used as auxiliary for synthetic detergent, synergist for soap; water
softener; tanning agent for leather-making; auxiliary for dyeing; oil contamination
resistance agent for papermaking; dispersion agent for suspensions of coatings, kaolin,
magnesium oxide, calcium carbonate and drilling mud etc.
Packing: 25 KGS, 50 KGS or 1000 KGS net WPP/PE bags or upon customer's demands.