Sodium Pyrophosphate TSPP( ANHYDROUS) (CAS No.:  7722-88-5 )
Executive Standard: GB8848-88
Molecular Formula: Na4P2O7
MW: 265.9
Character: White powder. It is soluble in water but insoluble in ethanol.      
The density is 2.45 and melting point is 890°C.
It is deliquescent in the open

Its aqueous solution shows weak alkalinity and stable below 70'C, but will be hydrolyzed into di-sodium phosphate when boiled .

Package: 25kgs woven bag lined with plastic bag, according to the customer's demand , Stored at draughty dry places..

Usage: used as buffering agent, emulsifier, nutrition ingredients and quality improver.

 

 

Specification
Technical Grade

Appearance
White Powder

Main content(based on Na4P2O7) %96.5Min

Phosphorus pentoxide ( P2O5 ) % 51.5Min

Water insoluble % 0.20Max

PH value(1% aqueous solution) 9.9-10.7

Orthophosphate Pass the test