7722-88-5
Na4P2O7
11150801PD
98%
-100-325 Mesh
231-767-1
Availability: | |
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Characteristic
Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is an inorganic compound with the formula Na4P2O7. As a salt, it is a white, water-soluble solid. It is composed of pyrophosphate anion and sodium ions.
Chemical formula:Na4P2O7
Molar mass: 265.900 g·mol−1
Appearance: Colorless or white crystals
Odor: odorless
Density: 2.534 g/cm3
Melting point: 988 °C (1,810 °F; 1,261 K) (anhydrous);79.5 °C (decahydrate)
Boiling point: decomposes
Solubility in water:2.61 g/100 mL (0 °C);6.7 g/100 mL (25 °C);42.2 g/100 mL (100 °C)
Solubility: insoluble in ammonia, alcohol
Refractive index (nD):1.425
Crystal structure:monoclinic (decahydrate)
Application
Sodium pyrophosphate is used in water softener, detergent, emulsifying agent, metal cleaner and nutritional supplement. It acts as a buffering agent, thickening agent and dispersing agent. It also acts as a tartar control agent in toothpaste and dental floss. In addition, it is used as a chelating agent in antimicrobial studies. It is also used as a food additive in common foods such as chicken nuggets, crab meat and canned tuna.
Characteristic
Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is an inorganic compound with the formula Na4P2O7. As a salt, it is a white, water-soluble solid. It is composed of pyrophosphate anion and sodium ions.
Chemical formula:Na4P2O7
Molar mass: 265.900 g·mol−1
Appearance: Colorless or white crystals
Odor: odorless
Density: 2.534 g/cm3
Melting point: 988 °C (1,810 °F; 1,261 K) (anhydrous);79.5 °C (decahydrate)
Boiling point: decomposes
Solubility in water:2.61 g/100 mL (0 °C);6.7 g/100 mL (25 °C);42.2 g/100 mL (100 °C)
Solubility: insoluble in ammonia, alcohol
Refractive index (nD):1.425
Crystal structure:monoclinic (decahydrate)
Application
Sodium pyrophosphate is used in water softener, detergent, emulsifying agent, metal cleaner and nutritional supplement. It acts as a buffering agent, thickening agent and dispersing agent. It also acts as a tartar control agent in toothpaste and dental floss. In addition, it is used as a chelating agent in antimicrobial studies. It is also used as a food additive in common foods such as chicken nuggets, crab meat and canned tuna.
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