Product Name: Sodium Tripolyphosphate(STPP)
Molecular formula: Na5P3O10
Molecular Weight: 367.86
Standard executed: GB/T9983-2004(technical grade) QB1034-91(food grade)
CAS Number: 7758-29-4
Properties: White crystalline, granular, odorless solid, hydrosopic and easily soluble in water.
Applications: Used as a sequestering, dispersing, deflocculating agent, and as a coating agent to form a thin passivating film that protects metals from corrosion; Industrial water treatment can be used in continuously recycled industrial water as a softener.
Molecular formula: Na5P3O10
Molecular Weight: 367.86
Standard executed: GB/T9983-2004(technical grade) QB1034-91(food grade)
CAS Number: 7758-29-4
Properties: White crystalline, granular, odorless solid, hydrosopic and easily soluble in water.
Applications: Used as a sequestering, dispersing, deflocculating agent, and as a coating agent to form a thin passivating film that protects metals from corrosion; Industrial water treatment can be used in continuously recycled industrial water as a softener.
| Item | Industrial Grade |
| Na5P3O10%≥ | 94.0 |
| P2 O 5 %≥ | 57.0 |
| Water Insoluble Matter%≤ | 0.15 |
| Iron(Fe) %≤ | 0.015 |
| PH value (1% water solution) | 9.2-10.0 |
| Heavy Metal (as Pb) %≤ | - |
| Arsenic (As) %≤ | - |
| Fluoride (F) %≤ | - |
| Whiteness %≥ | 92 |
| density (g/cm 3 ) | 0.35-0.9 |
| Phase I | 10-30 |