Sodium trimetaphosphate

Sodium trimetaphosphate^[1]

Other names Sodium trimetaphosphate
Identifiers
CAS number	7785-84-4
Jmol-3D images	Image 1
SMILES O=P(OP(O1)([O-])=O)([O-])OP1([O-])=O.[Na+].[Na+].[Na+]
Properties
Molecular formula	Na₃P₃O₉
Molar mass	305.885 g/mol
Appearance	white crystals
Density	2.49 g/cm³
Solubility in water	22 g/100 g
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Sodium trimetaphosphate (also STMP), with formula Na₃P₃O₉, is a metaphosphate of sodium. It has the empirical formula NaPO₃. It is the sodium salt of trimetaphosphoric acid.

References

^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–86. ISBN 0-8493-0594-2.