Sodium trimetaphosphate
Encyclopedia
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.
Metaphosphate
A metaphosphate ion is an oxyanion that has the empirical formula PO3−. The structure of a metaphosphate ion can be described as being made up of PO4 structural units in which each unit shares two corners with another unit...
of sodium
Sodium
Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals; its only stable isotope is 23Na. It is an abundant element that exists in numerous minerals, most commonly as sodium chloride...
. It has the empirical formula NaPO3. It is the sodium salt
Salt
In chemistry, salts are ionic compounds that result from the neutralization reaction of an acid and a base. They are composed of cations and anions so that the product is electrically neutral...
of trimetaphosphoric acid.