Tetrasodium Pyrophosphate TSPP CAS 7722-88-5

Tetra Sodium pyrophosphate, white powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3 and melting point 890ºC; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 ºC but will be hydrolyzed into di-sodium phosphate when boiled.

It is used in the food industry as an emulsifying agent, nutrient and texturing agent in applications including: processed cheese, seafood products, hamburgers and meat. In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.

Category:
Specification
Na4P2O7,w/ % 96.5~100.5
Arsenic,mg/kg 3 Max.
Heavy Metals (as Pb), mg/kg 10 Max.
Lead,mg/kg 4 Max.
Fluoride (as F), mg/kg 15 Max.
Water Insoluble,w/ % 0.2 Max.
Bulk Density,g/cm3 0.6 Min.
pH (10g/L solution) 9.9~10.7
Orthophosphate Pass Test
Loss on Ignition (on Na4P2O7), w/ % 0.5 Max.
Turbidity (NTU), % 20 Max.
Whiteness (color),% 90 Min.
Particle size, -100 mesh,w/% 50 Min.
Appearance Powder
Applications – Electroplating industry used to prepare electroplating solution – Wool spinning industry is used as wool degreasing agent and bleaching agent – Daily chemical industry used as toothpaste additive – Can be used in products such as synthetic detergents and shampoos – As a water softener in water treatment – As a rust remover in machining – Used as dispersant and emulsifier in chemical production Packaging 25 kg per bag 20 mt per 20ft container.