Tetra Sodium Pyrophosphate
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| Model No.: |
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| Product Origin: |
CHINA |
| Detailed Product Description: |
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:
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.
Packing and storage:
In double layer bags of 25Kg net. It must be stored in places well ventilated and dry.
Guaranteed Technical Specifications:
NO Specifications
Industrial Grade
Food Grade
1 Assay (as Na4P2O7 )%?Y
96.5
96.5
2 P2O5 %?Y
51.5 51.5
3 Ortho Phosphates
pass pass
4 PH Value
9.9-10.7 9.9-10.7
5 Water Insoluble matter % ?ü
0.2 0.2
6 Size (through 60mesh sieve) 90 90
7 Fluoride (as F) ?ü 0.005
8 Heavy Metals (as Pb) % ?ü 0.001
9 Arsenic (As)% ?ü 0.0003
10 L.O.I% ?ü 0.5 |
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