
Phosphate Related Products
- Product
- Sodium Hexametaphosphate (SHMP)
Overview
Sodium hexametaphosphate (SHMP) is a glassy polyphosphate, supplied as white powder or granules, that dissolves readily in water. It is an excellent sequestering and dispersing agent for calcium and magnesium ions.
Also known as
SHMP; Sodium polymetaphosphate; Graham’s salt
CAS number
10124-56-8
Molecular formula
(NaPO3)6
Molecular weight
611.77
Specifications
| Test items | Specifications |
| Appearance | White powder or granules |
| Total phosphate /% | ≥68 |
| Water insoluble /% | ≤0.040 |
| Fe /% | ≤0.030 |
| pH (1%) | 5.8-7.0 |
| Solubility | Passed |
Applications
- Water treatment: scale and corrosion inhibitor and water softener
- Dispersant in ceramics, pigments, paper and mineral processing
- Detergents and cleaning formulations
- Metal surface treatment and textile processing
Packaging
25 kg/bag (PE-lined); 1000 kg/jumbo bag.
Storage
Store in a dry, ventilated warehouse with the bags kept sealed, as the product absorbs moisture from the air.