Properties: white crystalline powder.

The relative density is 2.534

Melting point: 880 °C

Solubility:can be solubled in water, solubility in 100g water is 6.23g at 20 °C , the solution is alkaline; not soluble in alcohol.

It is widely used in dyeing and printing fine, soft water agent

Sodium pyrophosphate anhydrous