Sodium Tripolyphosphate: An Efficient Multi-Purpose Industrial Additive
Major Application Fields
In the detergent industry, sodium tripolyphosphate is an efficient detergent builder. It can chelate calcium and magnesium ions in water, softening the water and enhancing the cleaning power of detergents. Additionally, sodium tripolyphosphate can prevent the redeposition of dirt, making clothes and dishes cleaner. It is widely used in laundry powders, dishwasher detergents, and industrial cleaning agents.
In water treatment, sodium tripolyphosphate is used as a water softener and corrosion inhibitor. It can form insoluble precipitates with calcium and magnesium ions in water, reducing water hardness and preventing scale formation. At the same time, sodium tripolyphosphate can form a protective film on metal surfaces to prevent corrosion, extending the service life of equipment. It is widely used in industrial cooling water systems, boiler water treatment, and drinking water treatment.
In the food processing industry, sodium tripolyphosphate is used as a food additive. It can act as a quality improver for the preservation and tenderization of meat, fish, and seafood. Sodium tripolyphosphate can chelate metal ions in food, preventing oxidation and spoilage, and extending the shelf life of food. Additionally, it can be used to adjust the pH of food, improving its taste and texture.
In the ceramics and glass industries, sodium tripolyphosphate is used as a flux. It can lower the sintering temperature of ceramics and glass, improving product quality and yield. Sodium tripolyphosphate can also improve the gloss and transparency of ceramics and glass, giving them a better appearance and performance.
Despite its wide range of applications, sodium tripolyphosphate has a high solubility in water, and its use requires strict dosage control to avoid environmental impact. In industrial applications, the use of sodium tripolyphosphate typically occurs in closed systems to minimize environmental impact. Additionally, the production process of sodium tripolyphosphate is continuously being optimized to improve resource utilization and reduce wastewater discharge.
Specifications
| Product Name | Sodium Tripolyphosphate | |||||||||
| Chemical Formula | Na5P3O10 | |||||||||
| Molecular Weight | 367.86 g/mol | |||||||||
| Appearance | White powder | |||||||||
| Melting Point | 622°C | |||||||||
| Density | 2.52 g/cm³ | |||||||||
| CAS NO | 7758-29-4 | |||||||||
| HS Code | 28353100 | |||||||||
| EINECS NO | 231-838-7 | |||||||||
| Application | Used in detergents, water treatment, food additives, and industrial cleaning agents | |||||||||
Quality Control Sheet
| Product Name | |||||||
| ITEM | Spec | Result | |||||
| (Na2PO4) | ≥98% | 98.3% | |||||
| (P2O5) | ≥39.5% | 42.73% | |||||
| water insoluble | ≤0. 20% | 0.02% | |||||
| methyl orange alkalinity | ≥36% | 36.71% | |||||
| PH Value | 11.5-12.5 | 12.10 | |||||
| FE,w/% | ≤0.01 | 0.00079 | |||||
| AS,w/% | ≤0.005 | 0.0002 | |||||
| SO4,w/% | ≤0.5 | 0.001 | |||||
| Cl,w/% | ≤0.4 | 0.25 | |||||
| appearance | White or yellowish powder | White powder | |||||
| Result | Qualified | ||||||
In summary
In summary, sodium tripolyphosphate, as an important inorganic chemical raw material, plays a key role in multiple industries. It not only enhances product performance and quality but also supports the development of modern industry. With continuous technological advancements, the application prospects for sodium tripolyphosphate will be even broader.