Pentasodium triphosphate
Na5P3O10
7758-29-4
| # | Parameter | Value |
|---|---|---|
| 1 | Appearance: Free flowing, non-lumpy, fine smooth white powder, free from visible impurities & grits | |
| 2 | Tripolyphosphate content as Na5P3O10, % | 94 (+/-0.5) |
| 3 | Matter insoluble in water, %. max | 0.1 |
| 4 | Phosphorus as P2O5, % | 56 (+/-0.5) |
| 5 | Tripolyphosphate content as Na5P3O10 of first phase, % | 35 min – 55 max |
| 6 | Iron as Fe2O3, % , max | 0.03 |
| 7 | pH of 1% aqueous solution | 9.5 (+/-0.5) |
| 8 | ROH 1 minute: the mean value for any supplier, °C | 81 min – 92 max |
| 9 | ROH 5 minutes: the mean value for any supplier, °C | 84 min – 95 max |
| 10 | Bulk density, g/ml, max | 1.2 |
| 11 | Whiteness level, min | 82 |
| 12 | Particle size distribution | |
| - | On 425 micron (Tyler 35 mesh or equivalent), % , max | 5.0 |
| - | Through 150 micron (Tyler 100 mesh or equivalent), % , min | 75 |
Сommonly abbreviated as STPP, is an inorganic compound. It appears as a granular white, or crystalline solid, also soluble in water. This chemical is a sodium salt of triphosphoric acid and is widely used in various industries due to its effective properties as a water softener, cleaning agent, and emulsifier. Often found in household detergents, industrial cleaning solutions, and as a food additive. Its versatility makes it a valuable component in many chemical products. Understanding the basic characteristics of sodium tripolyphosphate is essential for comprehending its applications and handling requirements.
Sodium tripolyphosphate manufacturers utilize specific raw materials and chemical reactions to produce STPP. The primary raw materials used in the manufacturing process include sodium carbonate (soda ash) and phosphoric acid. The production involves a neutralization reaction where sodium carbonate reacts with phosphoric acid to form disodium phosphate. This intermediate product is then subjected to a dehydration process and a subsequent condensation reaction at high temperatures to produce sodium tripolyphosphate. The methodologies can vary slightly among different manufacturers, but the fundamental chemical principles remain consistent. Although there are alternative production technologies, the most commonly used method involves the thermal process due to its efficiency and cost-effectiveness.
Proper storage and handling of STPP phosphate are critical to maintaining its quality and effectiveness. Sodium tripolyphosphate should be stored in a cool, dry place, away from moisture and direct sunlight. It is typically packed in multi-layered bags or drums that protect from environmental factors. During logistics and transportation, care must be taken to prevent the product from being exposed to moisture, as it is highly hygroscopic and can absorb water from the air, leading to caking and reduced effectiveness. Transporting STPP requires adherence to safety regulations to ensure the product's integrity and prevent any contamination. Proper storage and handling practices ensure that the chemical retains its desirable properties throughout its shelf life.
Sodium tripolyphosphate has diverse applications, spanning multiple industries due to its unique chemical properties. Sodium polyphosphate use in the detergent industry is prevalent as it acts as a powerful cleaning agent, helping to remove dirt, grease, and effectively stains. It also serves as a water softener, preventing the formation of insoluble salts that can interfere with cleaning processes. In the food industry, STPP is used as a food additive to retain moisture in meat and seafood products, enhancing their texture and shelf life. Additionally, it is employed in ceramic production as a dispersing agent, in plants used for water treatment to prevent scale formation, and in the industry of textile for scouring and bleaching purposes. The versatility and effectiveness of sodium tripolyphosphate make it a highly sought-after chemical in various industrial applications.
Sodium tripolyphosphate, with the chemical formula Na5P3O10 and the CAS number 7758-29-4, exhibits several noteworthy physical and chemical properties. The compound has a molecular weight of 367.86 g/mol. It is hygroscopic, meaning it can absorb moisture from the air, which necessitates proper storage conditions. STPP has a melting point of approximately 622°C and decomposes at higher temperatures. Its ability to chelate metal ions and act as an emulsifier and dispersant, soften water are some of the key chemical characteristics that make sodium tripolyphosphate a valuable ingredient in various formulations.
Understanding the pricing and dynamics of the market is essential for businesses looking to buy sodium tripolyphosphate in bulk. The price of STPP can be influenced by various factors, including raw material costs, production efficiencies, demand and supply dynamics, and market trends. Sodium tripolyphosphate price can also fluctuate based on transportation costs and regional regulations impacting the production process. Bulk deliveries typically offer more competitive pricing, especially when sourced from reliable suppliers who can ensure consistent quality and timely supply. Buyers should consider these factors when negotiating terms and conditions for their procurement needs to ensure they receive the best value for their investment.
Foscote stands out as a premier sodium tripolyphosphate supplier due to its commitment to quality, customer service, and logistical efficiency. Our company prides itself on offering high-quality STPP that meets stringent industry standards. We provide a personalized approach to each customer, ensuring their specific requirements are met with tailored solutions. Foscote's robust logistics network guarantees timely delivery, reducing downtime and ensuring a steady supply of products. Additionally, our customer support team is always available to address any queries or concerns, providing expert guidance and support. Choosing Foscote means partnering with a supplier dedicated to your success and satisfaction in the sodium tripolyphosphate market.
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