Industry Sodium Tripolyphosphate STPP For Metal Finishing CAS 7758-29-4
Product Specifications
CAS | 7758-29-4 |
EINECS | 231-838-7 |
Appearance | White particles or powder |
Crystalline hydrate | Water-free |
Another name | Sodium Triphosphate |
Life span | Two years |
Available port | Qingdao Port, Tianjin Port, Shanghai Port, Lianyungang Port, Fujian Port, Guangzhou Port |
Fusing point | 622℃ |
Solubility | H2O: may be clear to slightly hazy |
Dangerous goods mark | Xi |
logP | 1.49640 |
Technical Specifications
Molecular formula | Na5P3O10 |
Molecular weight | 367.86 |
Standard | GB/T 9983-2004 |
Quality Standards
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
- Chemical Formula: Na₅P₃O₁₀
- Molecular Weight: 367.86 g/mol
- Appearance: White crystalline or powdery solid
- Form: Typically exists as an anhydrous compound or hexahydrate
- Water Solubility: Highly soluble in water (14 g/100 mL at 20°C, 30 g/100 mL at 60°C)
- Aqueous Solution pH: 9.5-10.5 (1% solution)
- Decomposition Temperature: 622°C
- Property: Strong hygroscopicity and chelating ability with metal ions
Market Development and Future Prospects
Market Demand
- Detergent industry: Growing demand with economic growth and urbanization
- Food processing: Increasing application in meat and aquatic product processing
- Water treatment: Broad application prospects due to global water shortages
Economic Factors
- Economic growth driving detergent, food processing and water treatment industries
- Industrialization increasing demand for industrial detergents and water treatment chemicals
Environmental Considerations
- Potential phosphorus restriction policies may affect detergent applications
- Development of environmentally friendly alternatives may impact market share
Technological Advancements
- Production process improvements reducing costs and increasing competitiveness
- Development of more environmentally friendly production technologies
Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight as payment terms.
Are you able to deliver on time?
Yes, we specialize in this product line and guarantee timely delivery while maintaining top quality.
Do you provide free samples?
Yes, we provide free samples with the customer responsible for express fees.
How about the price? Can you make it cheaper?
We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.
Can I visit your company and factory in China?
Yes, you're welcome to visit our facility in Weifang, China (we provide airport transportation).
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.