Pyrophosphoric acid (CAS 2466-09-3) is a colorless viscous liquid that forms crystals after prolonged exposure, forming a colorless glassy state. Pyrophosphate ions have strong coordination properties and are used as catalysts and concealing agents; Used as a catalyst, metal refining, and stabilizer for organic peroxides. It is used to adjust the Ph value of electroplating solution in copper electroplating process, as well as other electroplating.
English name: Pyrophosphoric acid
CAS: 2466-09-3
EINECS: 219-574-0
Chemical formula: H4P2O7
Molecular weight: 177.97
Density: 2.4 ± 0.1g/cm3
Melting point: 61 ° C
The product is used as a catalyst and concealing agent, etc