Hydrogenoxalate
Hydrogenoxalate or hydrogen oxalate is an anion with chemical formula or, derived from oxalic acid by the loss of a single proton; or, alternatively, from the oxalate anion by addition of a proton.
The name is also used for any salt containing this anion, such as NaHC2O4, KHC2O4, or NH3HC2O4. Hydrogenoxalates may also be called bioxalates, acid oxalates, or monobasic oxalates.
