
The Tetra Sodium Phosphates supplied by us are deliquescent in the open air. Available in white powder form these are soluble in water but insoluble in ethanol and bear a relative density of 2.45g/cm3. These are stable at 700C and are hydrolyzed into di-sodium phosphate when boiled.
Specifications:
Byname: Tetra Sodium pyrophosphate
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG/T2968-1999(Technical Grade)
GB8848-88(Food Grade)
CAS Number: 7722-88-5
Properties:
Form: White powder
Solubility: Soluble in water but insoluble in ethanol
Relative density: 2.45g/cm3
Melting point: 890 C
Deliquescent in the open air
Alkalinity: Its aqueous solution shows weak alkalinity
Stability: Stable at 700C
Hydrolyzed into di-sodium phosphate when boiled
Uses:
As detergent auxiliary Detergent industry
To bleach and electroplating in paper production
As buffering agent, emulsifier, nutrition ingredients and quality improver in food industry