Tetrasodium pyrophosphate

Tetrasodium pyrophosphate is mainly used as a processing aid and auxilliary for a variety of industries. It can be used for water treatment, in dental products, in metal cleaners and as a food additive. In addition, it is used in antimicrobial studies as a chelating agent.

Na4P2O7

Details


Chemical Formula

Na4P2O7

EC Number

231-767-1

CAS Number

7722-88-5

Industries
  • Surface treatment & Coatings
  • Industry chemicals
  • Home & Personal care
Applications
  • Surface treatment
  • Cleaning products
  • Water treatment
  • Textile & Leather
  • Dental care
  • Processing aid

Specification


  • Tetrasodium pyrophosphate: min. 96.0%
  • Phosphate (P₂O₅): max. 53.2%
  • Loss on ignition: max 0.5%
  • Fluor (F): max. 10 ppm
  • Arsenic (As): max. 1 ppm
  • Lead (Pb): max. 1 ppm
  • Mercury (Hg): max. 1 ppm
  • Cadmium (Cd): max. 1 ppm
  • pH in 1% solution: 10.4
  • Insoluble in water: max. 0.1%

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