| Classification: Phosphate | Type: Sodium Tripolyphosphate | CAS No.: 7758-29-4 |
| Other Names: STPP | MF: Na5P3O10 | EINECS No.: 231-838-7 |
| Place of Origin: China (Mainland) | Grade Standard: Food Grade ,technical grade | Purity: 95% |
| Appearance: white powder | Application: detergent | Brand Name: KS |
| Color: white | Molecular formula: Na5P3O10 | Purity: 94%min |
| Total phosphorous: 57%min | water insouble: 0.06%max | Iron: 0.009%max |
| PH Value: 9.2-10 | Particle size: 2%max | Bulk density: 0.65-0.75 |
| Packaging Detail: | 25KG PP bags. |
Sodium Tripolyphosphate (STPP) specification:
Synonyms: triphosphoric acid pentasodium salt, pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp-D, freez-gard FP 19, polygon, rhodiaphos H5, thermphos, tripoly
Molecular formula: Na5P3O10
Specifications chart:
ITEMS
|
STANDARD
|
| PURITY(As Na5P3O10): |
94% MIN.
|
| Total Phosphorous(as P2O5): |
57%MIN.
|
| Water insoluble: |
0.06 %MAX.
|
| Iron: |
0.009%MAX.
|
| PH Value: |
9.2-10
|
| Particle size(1mm screens test retained on mesh) |
2%MAX.
|
| Bulk density( g/cm3 ): |
0.65-0.75
|
Packing: 25KGs PP bag.
Application: builder in laundry powder, sequestrant, chelating agent,Detergent,Detergents & Dishwashing Tablets,( liquid ) Cleaners, Food & Feed industry, in Brines, in the Seafood and Meat industry, Slurries.
Parameter
|
Grade
| |
| Standard: GB/T9984-2008/QB1034-1991 |
Technical
|
Food
|
| Assay Na5P3O10 % ≥ |
94.0
|
95.0
|
| P2 O 5 % ≥ |
57.0
|
57.0
|
| Water Insoluble Matter % ≤ |
0.15
|
0.05
|
| Iron(Fe) % ≤ |
0.015
|
0.015
|
| PH value (1% water solution) |
9.2-10.0
|
9.4-10.0
|
| Heavy Metal (as Pb) % ≤ |
-
|
0.001
|
| Arsenic (As) % ≤ |
-
|
0.0003
|
| Fluoride (F) % ≤ |
-
|
0.003
|
| Chloride(Cl) % ≤ |
-
|
0.025
|
| Sulphate(SO4)% ≤ |
-
|
0.4
|
| Whiteness % ≥ |
90.0
|
90.0
|
| Density (g/cm3) |
0.35-0.95
|
0.55-0.90
|
| Phase I |
10-30
| 10-30 |
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