Sodium hexametaphosphate (SHMP) is a hexamer of composition (NaPO3)6. Sodium hexametaphosphate of commerce is typically a mixture of polymeric metaphosphates, of which the hexamer is one, and is usually the compound referred to by this name. It is more correctly termed sodium polymetaphosphate.
- Used as a sequestrant and has applications within a wide variety of industries including as a food additive.
- Used as a deflocculant in the production of clay-based ceramic articles.
- Dispersing agent to break down clay and other soil types.
- Claimed as a anti-staining and tartar prevention ingredient.
Minimum Assay: >68%
Molecular Formula: (NaPO3)6 (Mainly)
Molecular Weight: 611.78
Solubility in Water (% weight): Soluble in water
Melting Point: 628 °C
Boiling Point: 1500°C
pH: 7.0
Solubility: Soluble in water
Chloride (Cl): <0.02%
Heavy Metals (as Pb): <0.005%
Iron (Fe): <0.01%
Hazard Phrases: Not considered harmful under normal laboratory conditions.
Cas No: 68915-31-1
Einecs No: 272-808-3
Additional information
Weight | N/A |
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Pack Size | 250gm, 500gm, 1kg, 2.5kg, 5kg |