| Customization: | Available |
|---|---|
| CAS No.: | 7722-88-5 |
| Formula: | Na4p2o7 |
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Alias: Sodium pyrophosphate for food / Tetrasodium pyrophosphate/TSPP food grade
Molecular formula: Na4P2O7, Na4P2O7•10H2O
Physicochemical properties: White powder or crystal. Melting point 880ºC. Density 2.534g/cm3. Soluble in water and insoluble in alcohol. It's aqueous solution is alkaline and stable below 70ºC, hydrolyzes into sodium hydrogen phosphate after boiling. Can form complex with alkaline earth metal ion, liable to deliquesce.
Tetrasodium Pyrophosphate (TSPP), with the chemical formula Na4P2O7, is a versatile inorganic compound widely recognized for its emulsifying, buffering, and chelating properties. Available in both anhydrous and decahydrate forms, our TSPP meets stringent industrial-grade and food-grade standards (JECFA INS No. 450(iii)), making it ideal for applications ranging from water treatment to food processing.
| Parameter | Industrial Grade | Food Grade |
|---|---|---|
| Purity | ≥96% | ≥99% |
| Appearance | White crystalline powder | White crystalline powder |
| Density | 2.534 g/cm³ | 2.45 g/cm³ |
| Water Insolubles | ≤0.2% | ≤0.05% |
| Heavy Metals (Pb) | ≤2 ppm | ≤0.5 ppm |
| Orthophosphate | Qualified | Qualified |
Water Treatment: Softens water, prevents scale formation (Ca/Mg removal ≥80%).
Electroplating: Forms stable complexes with metal ions (e.g., iron, Ag+).
Detergents & Cleaners: Enhances emulsification, reduces interfacial tension.
Textile & Paper: Acts as a bleaching agent and fiber stabilizer.
Emulsifier & Stabilizer: Improves texture in processed meats, cheeses, and baked goods.
Buffering Agent: Maintains pH in beverages and canned foods.
Antioxidant: Inhibits fat oxidation and preserves freshness
High Purity: 96% minimum (industrial grade) | 99%+ (food grade)
PH Stability: Alkaline solution with pH 9.9-10.7 (1% solution)
Solubility: 62 g/L in water (20°C) | Rapid dissolution guaranteed
Thermal Resistance: Melting point 880°C | Stable under high-temperature conditions
Certifications: ISO
Why Choose Us?
30+ Years Expertise: Trusted by global clients in 50+ countries.
Custom Solutions: Tailored particle sizes (50-500 mesh), low-sodium variants, and nano-dispersed formulations.
Sustainability: Eco-friendly production with 95% waste recycling.
One-Stop Service: Technical support+OEM packaging + logistics insurance.
Options: 25 kg PP bags, 1 MT jumbo bags, or customized packaging
Moisture Control: Double-layer aluminum foil anti-caking protection
Global Shipping: FOB/CIF from Shanghai/Qingdao ports
Lead Time: 7 days for stock items, 15 days for custom formulations
Henan Yulin Chemical Company Limited was founded in 1985, mainly producing phosphate series and water treatment series products. At present, there are four factories. The main products are aluminum dihydrogen phosphate, sodium hexametaphosphate, sodium tripolyphosphate, sodium pyrophosphate, industrial phosphoric acid, trisodium phosphate, disodium hydrogen phosphate, sodium dihydrogen phosphate, polyaluminum chloride, polyacrylamide etc. The factory attaches great importance to new product development and equipment update, and has established a good cooperation and sharing relationship with many universities, with mature and reliable technology. In recent years, it has won many provincial and municipal advanced enterprise and high-quality product honor awards.
Our enterprise has always been based on honesty, pioneering and innovative for the purpose, reasonable price and considerate service as the business philosophy. Our development depends on our excellent product quality and all-round after-sales.
1. Is it possible to customize our own packages?
Yes, of course. You just need to send us your drawings or design, and then you can get your own packing.
2. What's the delivery time?
Usually within 5-8 working days for more than 10 tons.
1-10 tons also accepted, in 1-3 working days.
3. How to get the sample?
We can provide FREE SAMPLES for you. Please contact me immediately.
4. What are your delivery terms?
We accept FOB, CFR, CIF, etc. You can choose the one that is most convenient or cost-effective for you.
5.Are you a manufacturer or trader?
We are a manufacturer and we have independent factories. Our factory was established in 1985 and currently has 4 branches. We welcome you and your friends to visit our factory at any time!
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