Customization: | Available |
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CAS No.: | 7722-88-5 |
Formula: | Na4o7p2 |
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Sodium pyrophosphate (TSPP) is an inorganic compound widely used as a buffering agent, emulsifier, and stabilizer in food processing, detergents, and industrial applications.
Molecular Weight: 265.90 (anhydrous) / 446.06 (decahydrate)
Appearance: White crystalline powder or granules
Density: 2.53 g/cm³ (anhydrous)
Melting Point: 880°C (anhydrous)
Solubility:
Highly soluble in water (6.2 g/100 mL at 20°C)
Insoluble in ethanol
pH (1% solution): ~10 (alkaline)
Food Industry
Emulsifier & Stabilizer: Used in processed cheeses, canned seafood, and meat products to improve texture and moisture retention.
Leavening Agent: Helps baked goods rise by reacting with baking soda.
Sequestrant: Binds metal ions to prevent oxidation and discoloration (e.g., in potatoes and seafood).
Detergents & Cleaning Agents
Dispersant: Prevents dirt redeposition in laundry detergents.
Industrial Uses
Electroplating: Acts as a buffering agent in metal surface treatment.
Ceramics & Textiles: Used as a deflocculant and dye dispersant.
Oil & Gas Industry
Drilling Fluid Additive: Controls viscosity and stabilizes clay formations