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Tetra Sodium Pyrophosphate CAS NO.:7722-88-5
Tetra Sodium Pyrophosphate CAS NO.:7722-88-5
Tetra Sodium Pyrophosphate CAS NO.:7722-88-5

Tetra Sodium Pyrophosphate (TSPP) CAS NO.:7722-88-5

Name: Tetra Sodium Pyrophosphate

Other Name:TSPP、Sodium diphosphate、Tetrasodium pyrophosphate

CAS No.: 7722-88-5

Appearance: white powder

Molecular formula: Na4P2O7

Molecular Weight:  265.9

Melting point: 980℃

Water solubility: soluble

Density: 2.534 g/cm³

  • Product origin:

    China
  • Lead Time:

    2 weeks

Description:

Sodium pyrophosphate is a white powder that is soluble in water but insoluble in alcohol. It has a relative density of 2.45 and a melting point of 890 ℃. The aqueous solution is weakly alkaline and easily deliquests in air. The aqueous solution is relatively stable at 70 ℃, and when boiled, it hydrolyzes into disodium hydrogen phosphate.

Application

Sodium pyrophosphate is used in the food industry as a water retention agent, quality improver, leavening agent, acidity regulator, emulsifier, buffering agent, chelating agent, etc. Used as a product quality improver for canned goods, fruit juice beverages, dairy products, soy products, soy milk, etc

Specification:

Item

Standard

Appearance

White Powder

Content (as Na4P2O7)% ≥

96.5-100.5

P2O5% ≥

51.5

Fineness (passing 60 mesh sieve)% ≥

90

As ≤%

0.0003

Pb ≤%

0.0002

Heavy Metals (as Pb), ≤%

0.001

F ≤%

0.005

Water insoluble matter% ≤

0.2

Burn reduction% ≤

0.5

PH value (10g/L aqueous solution)

9.9-10.7

 

Packaging and Storage

Lined in plastic bags, wrapped in plastic coated woven bags, with a net weight of 25kg per bag.

This product should be stored in a dry and ventilated warehouse to prevent rain and moisture during transportation. Handle with care during loading and unloading to prevent packaging damage and moisture. Store separately from toxic substances.

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