Disodium Di-Hydrogen Pyrophosphate, Disodium Di-Phosphate or Sodium Acid Pyrophosphate (SAPP) Anhydrous


2H3PO4 + 2NaOH = Na2H2P2O7 + 3H2O
2H3PO4 + Na2CO3 = Na2H2P2O7 + CO2 + 2H2O

Grades We Manufacture :

Sodium Acid Pyrophosphate Anhydrous Industrial Grade

Sodium Acid Pyrophosphate also known as Di-sodium Di-phosphate is an inorganic compound of sodium and pyrophosphate. It is white and soluble in water. SAPP is manufactured with double drying process like other Pyrophosphates due to heating needed at a high temperature.


  Sodium Acid Pyrophosphate is used in leather treatment to remove iron stains
  SAPP is also used to stabilize the solution of hydrogen peroxide against reduction
  SAPP is used in petroleum industry as a dispersant in oil well drilling muds.
  SAPP also has a wide use in dairy and poultry processes


  HDPE bag with LDPE liner in 20 kg, 25kg, 40kg and 50 kg
  As per customer's request.


Product Name Sodium Acid Pyrophosphate (SAPP) Anhydrous
IUPAC Name Di-sodium di-hydrogen di-phosphate
Molecular Formula Na2H2P2O7
Molecular Weight 222.00
Appearance White fine Powder
PH Range (1% w/v) 3.5 - 4.5
Pyro % (minimum) 98.00
P2O5 content % (minimum) 62.00
'Na' Content % (minimum) 20.00
Iron as 'Fe' Content % 0.02
Chloride as 'Cl' Content % 0.2
Sulphate as 'SO4' content % 0.03


Plot No. N-43, M.I.D.C, Anand Nagar, Additional Ambarnath Indl. Area, Ambarnath (E), 421506, Dist. Thane, Maharashtra, India