Sodium phosphate, which comes under the class of phosphate salt, refers to one or more of several similar inorganic compound salts having sodium cations (Na+) and phosphate anions(PO4 3-). They exist as white powder crystals soluble in water.

Some Examples:

- Tri sodium phosphate(Na3PO4)

- Di sodium phosphate(Na2HPO4)

Applications:

They are broadly used for cleaning, softening water for washing, ceramics & glazes, flame - retardants , in textile printing/dyeing etc