الوصف

White powder or crystals. The relative density of 2.**4, melting point **0 ℃, boiling point of **8 ℃. Colorless or white crystalline powder. soluble in water,
Solubility in water at *0 ℃ **0g for 6.*3, its aqueous solution is alkaline; insoluble in alcohol. Solution is still stable below *0 ℃, boiling the hydrolysis
As disodium hydrogen phosphate. In dry air weathering, lose crystal water at **0 ℃. In the air easily absorb moisture and deliquescence. With an alkaline earth metal ion
Can form a complex; and Ag + is generated when white pyrophosphate silver met.