Potassium Tripolyphosphate

Product Description
Product | Potassium Tripolyphosphate |
CAS | 13845-36-8 |
Formula | K5P3O10 |
Synonym | KTPP, Pentapotassium triphosphate, Triphosphoric acid, potassium salt (1:5), Pentapotassium triphosphate |
Typical Product Specifications
Bulk Density | 900 - 1100 g/l |
> 1000u | 40 - 70% |
> 250u | 1 - 20% |
> 63u | <5% |
Iron | 30 ppm max |
> 125u | 1 - 5% |
pH Value (1% aqueous solution) | 9.6 - 10.2 |
> 500u | 25 - 45% |
P2O5 | 47.0 - 48.0% |
Insolubles | 1.5% max |
Appearance | White granules |
Melting Point | 620-640 c |
Odor | odorless |
Molecular weight | 448.42 |
Specific gravity | 0.95 |
Solubility | water |
Chemical Structure | ![]() |
Notes | Packaging: 50 lb PE-lined bags. Use: BUFFERING, CHELATING |
Class | Inorganic Chemicals: Nitrates, Phosphates, Oxides & more, Industrial Chemicals |
Industry | Industrial |

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