Alias: Sodium pyrophosphate
Chemical formula: Na4P2O7、Na4P2O7·10H2O
Property: Appearance White powder or crystal.
Packing: Paper bag or PP-PE bag, Net weight 25kg, 40kg per bag, or based on the customers’ requirements.
Executive standard: HG/T 2968-2009
Quality standard:
| Item | Index |
|---|---|
| Sodium pyrophosphate anhydrous | Tetrasodium pyrophosphate decahydrate |
| Main contentw/% ≥ | 96.5 |
| Water insoluble matter w/% ≤ | 0.15 |
| PH value (10g/L solution) | 9.9-10.7 |
| Orthophosphate | Passes the test |
Usage: Used as detergent, pharmaceutical and toothpaste stabilizer, water softener, boiler antiscaling agent, metal ion chelant, and also used in electroplating, electrolysis, plant fiber blenching, etc.
Transportation and storage: Avoid rain and sunlight during the transporation, keep in dry and ventilated warehouse, to protect with under layer to prevent damp.