Project Description
Tetrasodium Pyrophosphate
Synonyms: Sodium diphosphate; TSPP; Sodium pyrophosphate; Tetrasodium diphosphate; Pyrophosphate sodium.
Molecular formula: Na4P2O7; Na4P2O7.10H2O
Molecular Weight: 265.9; 446.06
INS No.: E450(iii)
CAS Number: 7722-88-5; 13472-36-1
Einecs Number: 231-767-1
Properties: Tetrasodium pyrophosphate anhydrous food grade is white powder form; Easy to absorb moisture and deliquesce, but insoluble in ethanol; Relative density 2.45g/cm3 and melting point 890; Deliquescent in the open air. When boiled, its aqueous solution shows weak alkalinity but will be hydrolyzed into di-sodium phosphate.
Tetrasodium Pyrophosphate Decahydrate is white crystalline and easily soluble in water.
Specifications:
| Item | Na4P2O7 anhy Food Grade | Na4P2O7.10H2O Tech Grade |
|---|---|---|
| Assay | 96.5%min. | 96%min. |
| P2O5 | 52.5-54.0% | 52.5-54.0% |
| PH value (1% water solution) | 9.9-10.7 | 10.2-10.7 |
| Water insoluble matter | 0.1%max. | 0.05%max. |
| Loss on ignition | 0.5%max. | 38.0-42.0% |
| Content of orthophosphate | - | 0.2%max |
| Lead (Pb) | 0.0001%max. | - |
| Fluoride (F) | 0.001%max. | - |
| Arsenic (As) | 0.0001%max. | - |
Application:
In food processing:
Tetrasodium pyrophosphate TSPP is commonly used as a food additive, buffering agent, emulsifier, thickening agent, and sequestrant. It can be found in processed meats, canned seafood, frozen desserts, and beverages.
- Emulsification: TSPP acts as an emulsifier, allowing for the uniform distribution of fats, oils, and water in food products. It helps stabilize emulsions and prevent ingredient separation, such as salad dressings, sauces, and mayonnaise.
- pH Adjustment: TSPP is used as a buffering agent to regulate the pH level of food products. It helps maintain the desired acidity or alkalinity, ensuring product stability and flavor consistency.
- Texture Enhancement: TSPP can improve the texture of certain food products by binding and retaining moisture. It is often used in meat and seafood products to enhance moisture retention, yielding juicier and more tender end products.
- Sequestration: TSPP can sequester calcium and other metal ions, which helps prevent undesirable interactions between food ingredients. It prevents the formation of unwanted precipitates and improves processed foods’ quality and shelf life.
- Leavening Agent: TSPP is sometimes used as a leavening agent in baked goods. It reacts with baking soda to produce carbon dioxide gas, resulting in the rise and lightening of dough or batter.
In industry application:
- Detergents and Cleaning Products: TSPP is utilized as a chelating agent. It helps to soften water and prevent the buildup of mineral deposits on clothing and dishes.
- Water Treatment: TSPP is employed in water treatment processes to prevent scale and corrosion in pipes and equipment. It can bind to calcium and magnesium ions, preventing them from forming scale and improving the efficiency of water systems.
- Ceramic Industry: TSPP is used as a dispersing and suspension agent in ceramic formulations. It helps to control the viscosity of the suspensions and improve the quality and stability of ceramic products.
- Oil and Gas Industry: TSPP is utilized in the oil and gas industry for its ability to prevent the precipitation of mineral salts and improve drilling fluid performance. It helps to inhibit the formation of scale and stabilize drilling fluids.
For more details on food application, please visit What is Tetrasodium Diphosphate in Food?
Packing and Storage: In PP+PE bags of 25kgs net each, we can provide packages according to the customer’s requirement. Store at a cool, dry, and well-ventilated place.
Harzards Identification & Classifications: N/A
Shelf life: 24 months.
Support: Tetra Sodium Pyrophosphate (TSPP) – Material Safety Data Sheet (MSDS).
