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pyrophosphoric acid (PPi)


Product name:pyrophosphoric acid (PPi) 
Alias:Diphosphoric acid 
Formula:H4P2O7
Simple:P~P 
Weight:177.97
CAS No.: 2466-09-3
Colorless viscous liquid, long home to generate crystals of colorless glass;
Density:2.04g/cm3(25℃);
Melting point:71.5 °C。
As catalysts, metal refining, organic peroxide stabilizer
Structure: