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Tetrasodium Pyrophosphate

Tetrasodium Pyrophosphate or Sodium Pyrophosphate is an inorganic, white, water-soluble solid. It has the formula of Na4P2O7. It is developed by reacting sodium carbonate and furnace-grade phosphoric acid to develop disodium phosphate that is then heated to 450 °C. It is composed of sodium ions and pyrophosphate anion. It is wieldy used as a buffering agent, a thickening agent, an emulsifier, a dispersing agent, etc. In addition to this, it is also used as a food additive. It is used as a palatability enhancer in varied foods such as pudding, crab meat, chicken nuggets, marshmallows, canned tuna, cat foods, etc. It is also used in toothpaste and dental floss as a tartar control agent to remove calcium and magnesium from saliva. It is also utilizes in commercial dental rinses to help in plaque reduction. Moreover, it is also used in household detergents for preventing similar deposition on clothing.

Specifications of Tetrasodium Pyrophosphate:

  • Molar mass: 265.900 g·mol−1
  • Appearance: Colorless or white crystals
  • Density: 2.534 g/cm3
  • Solubility: Insoluble in ammonia and alcohol
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Tetrasodium Pyrophosphate

Product Details:

1) IUPAC name : Tetrasodium diphosphate
2) Other names : Pyrophosphate, Sodium pyrophosphate, Tetrasodium pyrophosphate (anhydrous), TSPP
3) CAS Number : 7722-88-5
4) Chemical formula : Na4O7P2
5) Molar mass : 265.900 g·mol−1
6) Appearance : Colorless or white crystals
7) Odor : odorless
8) Density : 2.534 g/cm3
9) Melting point : 988 °C (1,810 °F; 1,261 K) (anhydrous); 79.5 °C (decahydrate)
10) Boiling point : Decomposes
11) Solubility : Insoluble in ammonia, alcohol

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Disodium Pyrophosphate Anhydrous

Product Details:

1) Grade : Food Grade
2) Molecular Formula : Na2HPO4
3) Synonyms : Dibasic Sodium Phosphate, Disodium Hydrogen Phosphate, Disodium Ortho Phosphate
4) CAS No : 7558-79-4
5) Appearance : White odourless powder
6) Assay on dry basis : 99
7) Bulk Density : 0.60 gm/cc
8) Moisture : 1 %
9) Phosphate  : 49.0-51.0 %
10) Pyrophosphate : 2.0 %

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Sodium Acid Pyrophosphate

Product Details:

1) Other names : Diphosphoric acid, disodium salt, Disodium dihydrogen pyrophosphate, Disodium diphosphate, Sodium acid pyrophosphate
2) CAS Number : 7758-16-9
3) Chemical formula : Na2H2P2O7
4) Molar mass : 221.94 g/mol
5) Appearance : White odorless powder
6) Density : 2.31 g/cm3
7) Melting point : >600 °C
8) Color : White crystalline powder
9) Solubility : Soluble in water

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