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■ Specifications
Product Name : Tetra-Sodium pyrophosphate decahydrate
Other names: sodium pyrophosphate; TSPP decahydrate; Sodium pyrophosphate decahydrate
Chemical formula : Na4P2O7
Molecular weight: 265.9
CAS Number: 7722-88-5
Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and 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 .
Application:
In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver. It also can be used as detergent auxiliary, paper production to bleach and electroplating.
Packing and storage:
In 25 kg bag. It should be stored in a dry . ventilative and clean warthouse.
Other names: sodium pyrophosphate; TSPP decahydrate; Sodium pyrophosphate decahydrate
Chemical formula : Na4P2O7
Molecular weight: 265.9
CAS Number: 7722-88-5
Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and 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 .
Application:
In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver. It also can be used as detergent auxiliary, paper production to bleach and electroplating.
Packing and storage:
In 25 kg bag. It should be stored in a dry . ventilative and clean warthouse.
■ Full Data
| Items | Food Grade | Industrial Grade |
| Sodium Pyrophosphate Na4P2O7 %≥ | 96.5 | 96.5 |
| P2O5 %≥ | 51.5 | 51.5 |
| PH (1% aqueous solution) | 9.9-10.7 | 9.9-10.7 |
| Size (through 60mesh sieve) %≥ | 90 | 90 |
| Heavy Metal (Pb) %≤ | - | 0.001 |
| As %≤ | - | 0.0003 |
| F %≤ | - | 0.005 |
| Water Insoluble Matters %≤ | 0.2 | 0.2 |