Sodium hexametaphosphate (SHMP), CAS 10124-56-8, is a water-soluble condensed phosphate used for hardness-ion sequestration and solid-particle dispersion in industrial formulations. Common applications include water treatment, detergents, ceramic slips and mineral-processing slurries.
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Sodium hexametaphosphate helps bind calcium and magnesium ions and disperse suspended solids. These functions are useful where water hardness or particle aggregation interferes with a process. Performance depends on water chemistry, concentration and the rest of the formulation; the product is selected for the particular treatment or manufacturing line.
Commercial SHMP is a condensed phosphate material. The conventional formula (NaPO₃)₆ does not guarantee that every commercial grade consists of one pure cyclic hexamer. Phosphate chain distribution and physical form can affect selection, so compare complete specifications rather than relying only on the product abbreviation.
Useful purchasing parameters include total phosphate reported as P₂O₅, inactive phosphate, water-insoluble matter, pH at a stated solution concentration, iron and particle-size distribution. The P₂O₅ figure is a phosphate-content reporting basis, not automatically a single-compound purity figure. The quoted grade should state the agreed limits and test methods.
For condensed-phosphate selection, compare sodium tripolyphosphate (STPP) and tetrasodium pyrophosphate (TSPP). Their phosphate structure and alkalinity differ from SHMP, so they are comparison materials rather than automatic substitutes.
In industrial-cleaning development, sodium metasilicate can supply an alkaline builder function, while sodium gluconate offers a different chelation option. The choice or combination depends on the substrate, operating pH and compatibility tests.
SHMP is handled as a dry solid. Protect the product from moisture, keep containers closed and store in a dry, ventilated area. Avoid unnecessary dust when opening and transferring powder, and follow the applicable Safety Data Sheet for handling precautions. Discuss the bag size, moisture barrier and pallet arrangement needed for your order. Any packaging image is an illustration; actual packing is agreed with the quotation.
We can provide the applicable Certificate of Analysis (COA), Technical Data Sheet (TDS) and Safety Data Sheet (SDS) for specification and handling review. Send us your intended application and approximate quantity to start a bulk quotation. A target specification, packing preference and destination help us prepare a relevant offer.
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