Product Name : Sodium Phosphate, Dibasic
MF: H4NaO4P
MW:121.99
EINECS:231-448-7
Appearance : White Powder
Melting Point:243-245 °C
Density:1.064 g/mL at 20 °C
Storage:Store at +5°C to +30°C.
Stability:Stable. Incompatible with strong acids. Hygroscopic.
Disodium phosphate, or disodium hydrogen phosphate, or sodium phosphate dibasic, is the inorganic compound with the formula Na₂HPO₄. It is one of several sodium phosphates. The salt is known in anhydrous form as well as forms with 2, 7, 8, and 12 hydrates.
All are water-soluble white powders; the anhydrous salt being hygroscopic.