Sodium hexametaphosphateSodium hexametaphosphate (SHMP) is a salt of composition Na6[(PO3)6]. Sodium hexametaphosphate of technical grade is typically a mixture of metaphosphates (empirical formula: NaPO3), of which the hexamer is one, and is usually the compound referred to by this name. Read from the Chembox of the Wikipedia article Sodium hexametaphosphate, revision 1380039955.

Property

Value

Formula

Na6O18P6, 611.77 g/mol

Melting point

628 °C

Boiling point

1500 °C

Density

2.484 g/cm³

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