Tetrasodium pyropho...

Tetrasodium pyrophosphate CAS7722-88-5
Tetrasodium pyrophosphate CAS7722-88-5
Tetrasodium pyrophosphate CAS7722-88-5
Tetrasodium pyrophosphate CAS7722-88-5
Tetrasodium pyrophosphate CAS7722-88-5

Tetrasodium pyrophosphate CAS7722-88-5

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1 Kilogram

FOB Price:USD 7.0000 -9.0000
  • Min.Order :1 Kilogram
  • Purity: 98%
  • Payment Terms : T/T,MoneyGram,Other

Keywords

Tetrasodium pyrophosphate Sodium pyrophosphate, anhydrous, tech. EINECS 231-767-1

Quick Details

  • Appearance:white crystalline powder or colorless crystal
  • Application:【 Purpose 1 】 Printing and dyeing fine bleaching agent, water softening agent, etc 【 Purpose 2 】 Used as a complexing agent for copper in electroplating solution. Used as a rust remover in mach
  • PackAge:fiber can
  • ProductionCapacity:100|Metric Ton|Month
  • Storage:Seal and store in a cool and dry place
  • Transportation:By sea/air/land

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♦ High purity, all above 98.5%, no impurities after dissolution

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Details:

Density 2.53g /mL at 25 °C(lit.)
Boiling point 93.8 °C
Melting point 80 °C
Molecular formula Na4O7P2
Molecular weight 265.902
Accurate mass 265.871002
PSA 155.23000
LogP 0.94120
Appearance properties white crystalline powder or colorless crystal
Storage condition
1. Keep the storage container sealed and stored in a cool, dry place in a tight container.

2. Protect yourself from the sun and rain. Do not store and transport with toxic and harmful substances.

stability
1. Avoid contact with aluminum and aluminum alloys, oxides. It is easy to dissolve in water. At 20℃, the solubility of 100g water is 6.23g, and its aqueous solution is alkaline. Insoluble in alcohol. The aqueous solution is stable below 70℃ and is hydrolyzed to disodium hydrogen phosphate by boiling. It can form complex with alkaline earth metal ions. When it meets Ag+, it forms white silver pyrophosphate. It absorbs moisture easily in the air and delixes. Soluble in water. Dissolve about 9g(25℃) in 100g water. The aqueous solution is strongly basic (pH10.2, 1% solution). The aqueous solution did not decompose significantly after heating at 70℃ for 60h.

Water solubility H2O: 0.1M at 20 °C, clear, colorless

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