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7601-54-9
Na3PO4
11150800PD
97.5%
- 100 mesh
231-509-8
UN3260
Characteristic
Trisodium phosphate (TSP) is the inorganic compound with the chemical formula Na3PO4. It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution.
Chemical formula:Na3PO4
Density:2.536 g/cm3 (17.5 °C, anhydrous) 1.62 g/cm3 (20 °C, dodecahydrate)
Melting point: 1,583 °C (2,881 °F; 1,856 K) (anhydrous)
73.4 °C (164.1 °F; 346.5 K) (dodecahydrate)
Boiling point: 100 °C (212 °F; 373 K) (dodecahydrate) decomposes
Solubility in water: anhydrous:5.4 g/100 mL (0 °C) 12 g/100 mL (20 °C) 14.5 g/100 mL (25 °C) 23.3 g/100 mL (40 °C) 94.6 g/100 mL (100 °C)
dodecahydrate: 28.3 g/100 mL (20 °C) Solubility insoluble in ethanol, CS2
Basicity (pKb):2.23
Crystal structure:Trigonal
Application
TSP is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser.
Characteristic
Trisodium phosphate (TSP) is the inorganic compound with the chemical formula Na3PO4. It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution.
Chemical formula:Na3PO4
Density:2.536 g/cm3 (17.5 °C, anhydrous) 1.62 g/cm3 (20 °C, dodecahydrate)
Melting point: 1,583 °C (2,881 °F; 1,856 K) (anhydrous)
73.4 °C (164.1 °F; 346.5 K) (dodecahydrate)
Boiling point: 100 °C (212 °F; 373 K) (dodecahydrate) decomposes
Solubility in water: anhydrous:5.4 g/100 mL (0 °C) 12 g/100 mL (20 °C) 14.5 g/100 mL (25 °C) 23.3 g/100 mL (40 °C) 94.6 g/100 mL (100 °C)
dodecahydrate: 28.3 g/100 mL (20 °C) Solubility insoluble in ethanol, CS2
Basicity (pKb):2.23
Crystal structure:Trigonal
Application
TSP is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser.
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