Sodium tripolyphosphate:
White powder, apparent density 0.35-0.90g/cm3, melting point 622c. Soluble in water. Aqueous solutions are alkaline and 1% aqueous solutions have a PH of 9.7. Hydrolyzed into phosphite in water, it has good complexing ability of metal ions. It can complex with calcium, magnesium, iron and other metal ions to form a soluble complex. It softens hard water. As an inorganic surfactant, it has some properties of organic surfactant.
item | SODIUM TRIPOLYPHOSPHATE |
CAS No. | 7758-29-4 |
MF | Na5P3O10, Na5P3O10 |
EINECS No. | 231-838-7 |
Place of Origin | China |
Grade Standard | Food Grade, Industrial Grade, stpp sodium tripolyphosphate |
Purity | 94%stpp sodium tripolyphosphate |
Appearance | white powder, White crystal powder |
Application | food grade,tech grade, preservative, Phosphates |
Brand Name | stpp sodium tripolyphosphate |
Model Number | stpp sodium tripolyphosphate |
Product Name | stpp |
Other name | sodium tripolyphosphate |
HS Code: | 28353100 |
Areas of use -1: | synthetic detergents and cleaners production |
Areas of use -2: | water processing - boiler feeding |
Areas of use -3: | glassmaking, oil, ceramic industries |
Areas of use -4: | paint and coating industries |
Application: | Industrial detergent, water softener |

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