Description
Sodium Hexametaphosphate 68% (SHMP)
Sodium Hexametaphosphate 68% (SHMP) (CAS 10124-56-8, molecular formula (NaPO3)6) is a treatment chemical specified by municipal and industrial plant operators where dose consistency and impurity control directly affect finished water quality. China Chemicals supplies it at P2O5 68% min in pack sizes from 1 kg through to 1000 kg Bulk Bag, so laboratory trial quantities and full production volumes can be sourced from the same specification.
It is also traded as SHMP, Graham’s Salt, Calgon. Every consignment ships with a batch-specific Certificate of Analysis and the current Safety Data Sheet, and material is stored and picked under stock rotation so you receive product well inside its shelf life.
Typical applications
- Scale and corrosion inhibition in cooling water
- Sequestrant in detergent formulation
- Water softening and boiler treatment
- Food additive as emulsifier and texturiser
- Clay and ceramic slurry dispersant
Technical specification
| Chemical name | Sodium Hexametaphosphate 68% (SHMP) |
|---|---|
| Synonyms | SHMP, Graham’s Salt, Calgon |
| CAS number | 10124-56-8 |
| Molecular formula | (NaPO3)6 |
| Appearance | White crystalline powder or granules |
| P2O5 content | 68.0% min |
| Inactive phosphate | 7.5% max |
| pH (1% solution) | 5.8 – 7.3 |
| Water insolubles | 0.05% max |
| Heavy metals as Pb | 10 ppm max |
| Iron (Fe) | 20 ppm max |
Values above are typical and are confirmed on the Certificate of Analysis issued against each batch. Tighter specifications can be quoted where a process requires them.
Packaging and supply
Available in 1 kg, 5 kg, 25 kg Bag, 1000 kg Bulk Bag. Bulk, road tanker and export drum quantities are quoted on request, including FOB and CIF terms for international shipment. Pricing shown is per pack in USD, exclusive of freight and any applicable duties.
Handling and safety
Transport classification: Not regulated · Not classified as hazardous. Store in the original closed container in a cool, well-ventilated area away from incompatible materials, and handle using appropriate personal protective equipment. Read the Safety Data Sheet in full before use — it is issued with every order and is available on request before purchase.
Supply to industry only. Products are sold for legitimate industrial, laboratory and manufacturing use. We may request end-use details and business registration before releasing an order.
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