CAS No.: | 10101-89-0 |
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Formula: | H24na36o16p |
EINECS: | 231-509-8 |
Certification: | CCIC |
Purity: | ≥99% |
Type: | Sodium Tripolyphosphate |
Customization: |
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Common Name | Trisodium phosphate dodecahydrate | ||
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CAS Number | 10101-89-0 | Molecular Weight | 380.18 |
Density | 1.62 | Boiling Point | 158ºC at 760 mmHg |
Molecular Formula | H24Na36O16P | Melting Point | 75 °C |
MSDS | ChineseUSA | Flash Point | N/A |
Symbol | GHS07 |
Signal Word | Warning |
Density | 1.62 |
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Boiling Point | 158ºC at 760 mmHg |
Melting Point | 75 °C |
Molecular Formula | H24Na36O16P |
Molecular Weight | 380.18 |
Exact Mass | 380.049500 |
PSA | 206.82000 |
Index of Refraction | 1.4458 |
Storage condition | Store at RT. |
Stability | Stable. Incompatible with strong acids. Keep dry. |
Water Solubility | 258 g/L (20 ºC) |
Trisodium phosphate dodecahydrate (TSP) is an inorganic compound with the chemical formula Na3PO4·12H2O. It is a highly soluble, crystalline solid that contains three sodium ions (Na+) and one phosphate ion (PO43-) per formula unit. TSP is commonly used in various industrial and domestic applications.
Chemical Properties: Trisodium phosphate dodecahydrate is a white, crystalline solid. It has a molecular weight of approximately 380.14 g/mol. It is highly soluble in water and forms an alkaline solution. The dodecahydrate form means that each formula unit is associated with 12 water molecules.
Synthesis: Trisodium phosphate dodecahydrate can be synthesized through the reaction of sodium hydroxid (NaOH) with phosphoric acd (H3PO4) in the presence of water. The resulting solution is then crystallized to obtain the solid TSP dodecahydrate.
Cleaning and Degreasing Agent: TSP is widely used as a cleaning and degreasing agent in various applications. It has excellent grease-cutting properties and can effectively remove dirt, grime, and stains. TSP is commonly used for cleaning surfaces before painting, as it helps to remove contaminants and improve paint adhesion.
pH Buffer and Water Treatment: Due to its alkaline nature, TSP is used as a pH buffer in various applications. It can be added to acidic solutions to raise the pH and neutralize acidity. Additionally, TSP is sometimes utilized in water treatment processes to adjust pH levels and control alkalinity.
Food Additive: Trisodium phosphate is approved by regulatory authorities as a food additive in some countries. It is used as a sequestrant, emulsifier, and pH regulator in certain food products. However, its use as a food additive is subject to specific regulations and restrictions, and it is important to follow the guidelines and limits set by the relevant authorities.
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