Characteristic

Silver phosphate or silver orthophosphate is a light sensitive, yellow, water-insoluble chemical compound composed of silver and phosphate ions of formula Ag3PO4.

Chemical formula：Ag₃PO4

Molar mass：418.574 g/mol

Appearance：Translucent yellow；becomes opaque or discolors when impure.

Odor：odorless

Density：6.370 g/cm³

Melting point：849 °C (1,560 °F; 1,122 K)

Solubility in water：0.00065 g/100 mL

Magnetic susceptibility (χ)：−120.0·10−6 cm³/mol

Crystal structure：cubic

Application

Silver phosphate finds applications in photography, and in silver staining of biological materials. It is used as a photocatalyst for the visible light photochemical splitting of water, and for production of activated oxygen by the same method. It is employed in Crystal growth for scintillation, optics and dosimetry.