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Detailed
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 |
Purity: 94% |
Appearance: white powder |
Application: detergent |
Brand Name: credit chemical |
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 & Delivery
Packaging Detail: |
25KG PP bags. |
S
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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