Product name:Sodium metaphosphate
Synonyms:Sodium hexametaphosphate;Metaphosphoric acid hexasodium salt
CAS:10124-56-8
EINECS:233-343-1
MF:Na6P6O18
MW:611.77
Melting point:616°C
Boiling point:1500 °C
Water solubility: Easily soluble
Appearence:white crystalline powder
Assay:99%
Uses:
SHMP is used as a sequestrant and has applications within a wide variety of industries, including as a food additive in which it is used under the E number E452i. Sodium carbonate is sometimes added to SHMP to raise the pH to 8.0-8.6, which produces a number of SHMP products used for water softening and detergents.
A significant use for sodium hexametaphosphate is as a deflocculant in the production of clay-based ceramic particles.It is also used as a dispersing agent to break down clay and other soil types.
It is used as an active ingredient in toothpastes as an anti-staining and tartar prevention ingredient.
Food additive
Artificial maple syrup, canned milk, cheese powders and dips, imitation cheese, whipped topping, packaged egg whites, roast beef, fish fillets, fruit jelly, frozen desserts, salad dressing, herring, breakfast cereal, ice cream, beer, and bottled beverages, among other foods, can contain sodium hexametaphosphate.
