| Chemical Name: | Tetrasodium Pyrophosphate |
| CAS Number: | 7722-88-5 |
| Molecular Formula: | Na₄P₂O₇ |
| EINECS: | 231-767-1 |
| Appearance: | White crystalline powder |
Description
Tetrasodium pyrophosphate (TSPP) is an industrial phosphate material with CAS No. 7722-88-5 and the molecular formula Na4P2O7. It is supplied as a white powder or crystalline material.
Confirm the required form and documentation before ordering. Final supply and acceptance requirements should follow the applicable TDS and COA.
The following industrial-grade references are taken from the Tairan product manual.
| Item | Anhydrous Na4P2O7 | Decahydrate Na4P2O7 (10H2O) |
|---|---|---|
| Main content, w/% (minimum) | 96.5 | 98.0 |
| Water-insoluble matter, w/% (maximum) | 0.20 | 0.10 |
These are specification references only. Request the TDS and COA for the supplied grade.
Detergent formulations and water-softening applications
Boiler descaling and industrial cleaning
Metal-ion chelation and metal surface processes
Electroplating and electrolysis processes
Plant-fiber bleaching and wool degreasing
25 kg plastic woven bags with a polyethylene liner
Protect from rain and moisture during transport
Store in a dry, well-ventilated warehouse and keep the packaging clean and intact
Request the relevant TDS, SDS and COA for your TSPP form and application. Use the related products below to explore compatible phosphate products.