CAS 7758-29-4 96% For Chemical Industry Sodium Tripolyphosphate For Fiber
Key attributes
Molecular formula: Na5P3O10
Molecular weight: 367.86
Industrial grade CAS 7758-29-4
Industrial grade products & COA meets GB/T 9983-2004 standard:
Items for detecting and analyzing | Standard value |
Main content: sodium tripolyphosphate ≥ | 96.0% |
Phosphorus pentoxide P2O5≤ | 57.0% |
Water insoluble≤ | 0.10% |
Iron ≤ | 0.007% |
Ph Value (1%) | 9.2-10.0 |
Whiteness ≥ | 90 |
Physical and chemical properties of Sodium Tripolyphosphate
Chemical Formula | Na₅P₃O₁₀ |
Molecular Weight | 367.86 g/mol |
Appearance | White crystalline or powdery solid. |
Form | Typically exists as an anhydrous compound (Na₅P₃O₁₀) or a hexahydrate (Na₅P₃O₁₀·6H₂O). |
Water Solubility | Highly soluble in water, with solubility increasng with temperature. At 20°C, solubility is approximately 14 g/100 mL. At 60°C, solubility is approximately 30 g/100 mL. |
Other Solvent | Insoluble in organic solvents (e.g., ethanol). |
Aqueous Solution pH | The pH of a 1% aqueous solution is approximately 9.5-10.5, making it alkaline |
Decomposition Temperature | Decomposes at high temperatures (around 622°C) into sodium pyrophosphate (Na₄P₂O₇) and sodium metaphosphate (NaPO₃). |
Hydrate Stability | The hexahydrate tends to effloresce in dry air, losing its water of crystallization. |
Property | Strong hygroscopicity; easily absorbs moisture from the air and may form clumps. |
Property | STPP has strong chelating ability, forming stable soluble complexes with metal ions such as calcium, magnesium, and iron in water. |
Application | This property makes it highly valuable in water treatment, detergents, and food processing. |
The development prospect of Sodium Tripolyphosphate
1. Changes in market demand
Detergent industry
Current situation: Sodium tripolyphosphate used to be the main detergent aid,
but because it may lead to eutrophication of water, many countries
and regions have implemented phosphorus restriction policies.
Trend: Phosphorus free or low phosphorus detergents are gradually becoming mainstream,
and the use of sodium tripolyphosphate in detergents will gradually decrease.
Opportunities: In areas where phosphorus is not yet strictly limited (such as some developing countries),
sodium tripolyphosphate still has a certain market demand.
Food industry
Status: Sodium tripolyphosphate as a food additive (E451) is used in meat, seafood
and other products for water retention and texture improvement.
Trend: As consumer concerns about food safety increase,
the development of natural alternatives may reduce reliance on sodium tripolyphosphate.
Opportunity: Under the premise of compliant use,
sodium tripolyphosphate still has a stable market demand in food processing.
Industrial water treatment
Current situation: Sodium tripolyphosphate is used to prevent scale and corrosion,
and plays an important role in industrial water treatment.
Trend: The research and development of environmentally friendly water treatment agents
may have a certain impact on its market share.
Opportunities: In specific industrial areas (such as high temperature and high pressure environments),
sodium tripolyphosphate still has irreplaceable advantages.
2. Environmental protection and sustainable development
Environmental pressure:
The decomposition of sodium tripolyphosphate in the water body may lead to eutrophication,
causing excessive algal reproduction and destroying the ecological balance.
Worldwide, restrictions on phosphorus-containing products have been gradually strengthened
to promote the development and application of phosphorus-free alternatives.
Green alternatives:
The application of environmentally friendly detergent such as zeolite
and polycarboxylate gradually replaced sodium tripolyphosphate in detergent.
In the food industry, the development of natural water retaining agents
and texture improvers may reduce reliance on sodium tripolyphosphate.
3. Technological innovation and upgrading
Production process optimization:
By improving the production process, the energy consumption
and pollution in the production process of sodium tripolyphosphate can be reduced, and its environmental protection can be improved.
Develop high value-added sodium tripolyphosphate derivative products and expand its application fields.
Exploration of new application fields:
In the field of new energy and new materials, explore new uses of sodium tripolyphosphate,
such as battery materials, catalysts and other applications.
4. Regional market differences
Developed countries:
Environmental regulations are strict, the use of sodium tripolyphosphate is greatly restricted,
and the market demand is gradually declining.
The market share of phosphorus-free or low-phosphorus alternatives continues to expand.
Developing countries:
Environmental regulations are relatively loose, and sodium tripolyphosphate still has a large market demand in detergent,
food and other fields.
With increased environmental awareness, there may be a gradual transition to phosphorus-free alternatives in the future.
Riel Chemical product advantages
1. Technical strength and innovation ability
R&d team: We have an experienced R&D team focused on performance optimization
and new application development of sodium tripolyphosphate.
Technological breakthroughs: Improved product performance through innovative processes,
such as increased dissolution speed and chelation capability.
Customized solutions: Sodium tripolyphosphate products with specific specifications
and functions are available according to customer requirements.
2. Excellent product quality
High purity: Advanced purification technology is used to ensure the high purity
and consistency of sodium tripolyphosphate.
Strong stability: The product can maintain excellent performance in high temperature,
high humidity and other harsh environments.
Strict quality inspection: from raw materials to finished products,
the whole process is strictly tested to ensure that each batch of products meet the standard.
FAQ
1.What is your payment term?
We can accept T/T and L/C at sight as payment term.
2.Are you able to deliver on time?
Of course! we specialised in this line for many years,
many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!
3.Do you provide free sample?
Yes, we can provide free sample . You only need to take the express fee.
4.How about the price?Can you make it cheaper?
We always take the customer’s benefit as the top priority.
Price is negotiable under different conditions, we are assuring you to get the most competitive price.
5.Can I visit your company and factory in China?
Sure. You are very welcomed to visit our company in Weifang, China.
(We will have someone responsible for picking up and dropping off at Weifang Airport)
6.What if there is a quality problem?
We have a professional and perfect after-sales service team, timely for you to deal with all problems.