Daily Uses:
- Used in shampoo to prevent mineral buildup on hair.
- Added to canned seafood to maintain color and texture.
- Used in toothpaste as a dispersant for abrasive particles.
Application Fields:
- Personal care products, food preservation, mineral flotation, paper manufacturing.
Synthesis Method:
- Polymerization: Heat sodium dihydrogen phosphate (NaH₂PO₄) to 600–700°C to induce dehydration and polymerization.
- Chemical equation: \(6NaH_2PO_4 \xrightarrow{\Delta} (NaPO_3)_6 + 6H_2O\)