• tetra-sodium pyrophosphate decahydrate
  • tetra-sodium pyrophosphate decahydrate
  • tetra-sodium pyrophosphate decahydrate

Tetra-Sodium Pyrophosphate Decahydrate

  •  Sodium Pyrophosphate Na4P2O7 %≥: 96.5
  • P2O5  %≥:  51.5
  • PH (1% aqueous solution) : 9.9-10.7
  • Size (through 60mesh sieve) %≥: 90
  •  Water Insoluble Matters %≤: 0.2

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Detergent Surfactant Agent
Chlor-Alkali Chemicals
Agriculture & Feed and Food Additive
Electronic Chemical Raw Materials
Water Treatment Chemicals
Mining Chemical Auxiliaries
Leather Textile Auxiliaries
Oilfield Chemicals
Glass Ceramic Chemicals
Coating and Resin Chemicals
Phosphate Chemicals
Plasticizer and Rubber Chemicals

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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. 
■ 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
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