A
metaphosphate ion is an
oxyanion that has the empirical formula .
It was first postulated in 1955
but was not observed until 1979, when it was detected by mass spectrometry.
Metaphosphate is an intermediate in the hydrolysis of
but it is difficult to isolate, as it readily hydrolyses to from a dihydrogen phosphate ion () and tends to self-react in the absence of water to form rings or infinite chains:
(1981). 354010805X 354010805X
These species are also called metaphosphates and are generally stable, with some such as sodium trimetaphosphate being produced on an industrial scale.
Metaphosphates can be used as an alternative of white phosphorus in organic syntheses.
See also
-
Sodium trimetaphosphate
-
Sodium hexametaphosphate
