Sodium Acid Pyrophosphate - SAPP
Sodium acid pyrophosphate (SAPP) is a white, water-soluble solid inorganic compound that is commonly used in the food industry as a leavening agent, buffer, and chelating agent.Product Details |
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Formula: |
Na2H2P2O7 |
CAS Number: |
7758-16-9 |
Also Known As: |
Disodium pyrophosphate; Disodium dihydrogen pyrophosphate; Sodium diphosphate dibasic |
Structure: |
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applications:
SAPP is a popular leavening agent found in baking powders. It can be used as buffer to control the pH of food products and as a chelating agent to prevent discoloration and off-flavors in food products.
SAPP is also used in other industries, such as: Water treatment, metal finishing and detergents.
Typical Specifications
Data is representative of average lots;
data taken from specific lots may vary.
Appearance |
White crystalline powder |
Density, g/cm3 |
2.31 |
Melting point, °C |
220 (decomposes) |
Molecular weight, g/mol |
221.94 |
Odor |
Odorless |
Purity, % |
≥99 |
Refractive index, n20/D |
1.4645 |
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