What is Na3PO3?

Na3PO3 (trisodium phosphate) is a white, crystalline solid that is soluble in water. It is used as a cleaning agent, water softener, and flux in soldering.

Properties of Na3PO3

White, crystalline solid
Soluble in water
Melting point: 622 °C
Boiling point: 1420 °C
Density: 2.56 g/cm³

Uses of Na3PO3

Cleaning agent: Na3PO3 is a powerful cleaning agent that is used to remove dirt, grease, and oil from surfaces. It is often used as a degreaser for metal surfaces.
Water softener: Na3PO3 is a water softener that is used to remove calcium and magnesium ions from water. This can help to prevent scale buildup in pipes and appliances.
Flux: Na3PO3 is a flux that is used in soldering. It helps to remove oxides from metal surfaces, which makes it easier to solder the metals together.

Safety precautions

Na3PO3 is a corrosive substance that can cause skin irritation and eye damage. It is important to wear proper safety gear when working with Na3PO3.

Wear gloves and eye protection when handling Na3PO3.
Avoid contact with skin and eyes.
Do not ingest Na3PO3.
If Na3PO3 comes into contact with skin or eyes, rinse the affected area with plenty of water.