Disodium hydrogen phosphite is the name for
inorganic compound
In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemist ...
s with the formula Na
2HPO
3.(H2O)
x. The commonly encountered salt is the pentahydrate.
A derivative of
phosphorous acid (HP(O)(OH)
2), it contains the anion HPO
32−. Its common name suggests that it contains an acidic hydrogen atom, as in
sodium hydrogen carbonate. However, this name is misleading as the hydrogen atom is not acidic, being bonded to phosphorus rather than oxygen. The salt has reducing properties. It is white or colorless solid, and is little studied.
References
Phosphites
Inorganic phosphorus compounds
Sodium compounds
{{Inorganic-compound-stub