Origin |
China |
Brand Name |
SUNDIA |
CAS No. |
13472-36-1 |
Purity |
95% |
Sodium Pyrophosphate
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG/T2968-1999(Technical Grade), GB8848-88(Food Grade)
Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45 and melting point 890 ; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 but will be hydrolyzed into di-sodium phosphate when boiled .
Uses:
Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
Specifications:
NO Specifications Industrial Grade
1 Assay (as Na4P2O7 )%≥ 96.5
2 P2O5 %≥ 51.5
3 Ortho Phosphates Pass
4 PH Value 9.9-10.7
5 Water Insoluble matter % ≤ 0.20
6 Size (through 60mesh sieve) 90% Min.
7 L.O.I. % ≤ 0.50
|