Product Overview: Tetrasodium Pyrophosphate
Tetrasodium Pyrophosphate (TSPP) is a versatile, high-purity compound widely used in the food, detergent, and industrial sectors. Known for its exceptional chelating properties and ability to stabilise pH, TSPP is a critical ingredient in various formulations. Below, we provide a detailed overview of this product, including its specifications, benefits, and applications.
Product Specifications
Parameter |
Details |
Product Name |
Tetrasodium Pyrophosphate (TSPP) |
HS Code |
28352990 |
CAS Number |
7722-88-5 |
EINECS Number |
231-767-1 |
Molecular Formula |
Na₄P₂O₇ |
Appearance and Physical Properties
Tetrasodium Pyrophosphate is a white, crystalline powder or granular material that is odourless and highly soluble in water. It exhibits excellent stability under normal storage conditions and is non-hygroscopic, making it ideal for long-term storage. Its alkaline nature and ability to bind metal ions make it a preferred choice in food and industrial applications.
Physical and Analytical Results
Parameter |
Typical Value |
Appearance |
White crystalline powder |
Assay (as Na₄P₂O₇) |
≥ 96% |
pH (1% solution) |
9.9 – 10.7 |
Loss on Ignition |
≤ 0.5% |
Heavy Metals (as Pb) |
≤ 10 ppm |
Arsenic (As) |
≤ 3 ppm |
Insoluble Matter |
≤ 0.1% |
Particle Size |
95% passing through 100 mesh |
Method of Analysis
Our Tetrasodium Pyrophosphate undergoes stringent quality control and testing to ensure compliance with international standards. The following methods are employed:
- Assay Analysis: Titrimetric method to determine the purity of TSPP.
- Heavy Metal Testing: Atomic absorption spectroscopy (AAS) for precise detection of lead, arsenic, and other heavy metals.
- pH Testing: Potentiometric method to ensure the product’s alkalinity.
- Particle Size Distribution: Laser diffraction method for uniform particle size.
Typical Certificate of Analysis (COA)
Parameter |
Specification |
Assay (as Na₄P₂O₇) |
96.5% |
pH (1% solution) |
10.2 |
Loss on Ignition |
0.4% |
Heavy Metals (as Pb) |
5 ppm |
Arsenic (As) |
1 ppm |
Insoluble Matter |
0.05% |
Particle Size |
97% passing through 100 mesh |
Product Description
Tetrasodium Pyrophosphate (TSPP) is a highly versatile, food-grade compound that serves as a critical ingredient in various industries. Its chelating, buffering, and dispersing properties make it an essential additive in food processing, detergents, and water treatment applications.
As a sodium phosphate compound, TSPP is widely used as a stabiliser, emulsifier, and thickening agent in food products. Its ability to bind metal ions enhances the quality and shelf life of processed foods. Additionally, TSPP is a key component in detergent formulations, where it acts as a water softener and dispersing agent, improving cleaning efficiency.
Our Tetrasodium Pyrophosphate is manufactured under strict quality control standards, ensuring compliance with international food safety and industrial regulations. It is free from harmful contaminants such as heavy metals and arsenic, making it safe for use in food and industrial applications.
Advantages of Tetrasodium Pyrophosphate
- High Purity: Contains ≥ 96% TSPP, ensuring superior quality and performance.
- Versatility: Suitable for use in food, detergents, and industrial applications.
- Chelating Properties: Effectively binds metal ions, improving product stability.
- Stability: Excellent shelf life and non-hygroscopic nature for long-term storage.
- Compliance: Meets international standards, including FCC, USP, and EU regulations.
Major Applications of Tetrasodium Pyrophosphate
1. Food Industry
Tetrasodium Pyrophosphate is widely used as a stabiliser and emulsifier in processed foods such as canned seafood, meat products, and dairy items. It enhances texture, prevents protein denaturation, and improves water retention in food products. Additionally, it is used in baking powders as a leavening agent.
2. Detergent Industry
In detergents, TSPP acts as a water softener and dispersing agent, preventing the deposition of calcium and magnesium salts. It improves the cleaning efficiency of laundry detergents, dishwashing liquids, and industrial cleaners.
3. Water Treatment
Tetrasodium Pyrophosphate is used in water treatment processes to prevent scale formation and corrosion in pipelines and boilers. Its ability to sequester metal ions ensures efficient water softening and stabilisation.
4. Ceramics and Construction
In ceramics, TSPP is used as a deflocculant, improving the flow properties of ceramic slips. In construction, it acts as a dispersing agent in cement and concrete formulations, enhancing workability and strength.
5. Industrial Applications
TSPP is used in various industrial applications, including oil drilling, textiles, and paper manufacturing. Its dispersing and buffering properties make it a valuable additive in these sectors.
Dosage Recommendations
Application |
Recommended Dosage |
Reason |
Food Products |
0.3% – 1.0% |
Acts as a stabiliser and emulsifier. |
Detergents |
5% – 15% |
Improves cleaning efficiency and water softening. |
Water Treatment |
0.5% – 2.0% |
Prevents scale formation and corrosion. |
Ceramics |
0.2% – 0.8% |
Enhances flow properties of ceramic slips. |
Industrial Applications |
Varies based on specific use |
Provides dispersing and buffering properties. |
Why Choose Our Tetrasodium Pyrophosphate?
- Unmatched Quality: Manufactured under stringent quality control standards.
- Global Compliance: Meets FCC, USP, and EU food safety regulations.
- Customisable Solutions: Available in various grades and particle sizes to suit specific applications.
- Sustainability: Produced using environmentally friendly processes.
- Competitive Pricing: High-quality product at cost-effective rates.