Characteristic

 

Monosodium phosphate (MSP), also known as monobasic sodium phosphate and sodium dihydrogen phosphate, is an inorganic compound of sodium with a dihydrogen phosphate (H₂PO₄⁻) anion. One of many sodium phosphates, it is a common industrial chemical. The salt exists in an anhydrous form, as well as mono- and dihydrates.

Chemical formula:NaH₂PO₄

Molar mass: 119.98 g/mol

Appearance: White powder or crystals

Density :2.36 g/cm³ (anhydrous)

Solubility in water:59.90 g/100 mL (0°C)

 

Application

 

Sodium phosphate monobasic monohydrate is used as sequestrant, emulsifier, mordant in dyeing, reagent and buffer in foods and analytical chemistry. It is applied as a fireproofing agent and for weighting silk in tanning. It is employed in manufacturing of enamels, ceramics, detergents, boiler compounds, in soldering and brazing instead of borax.